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| author | Elena Zannoni <ezannoni@kwikemart.cygnus.com> | 2002-08-23 22:02:32 +0000 |
|---|---|---|
| committer | Elena Zannoni <ezannoni@kwikemart.cygnus.com> | 2002-08-23 22:02:32 +0000 |
| commit | 84041b4c47edb0461f3b82afb77ca2d81819ebfa (patch) | |
| tree | ddbca1e6f70f9c4a4b6c3c923b16603a95946b22 /readline/doc/readline.html | |
| parent | f9267e152c9c4e2b150366c590674180e66d45df (diff) | |
| download | gdb-84041b4c47edb0461f3b82afb77ca2d81819ebfa.zip gdb-84041b4c47edb0461f3b82afb77ca2d81819ebfa.tar.gz gdb-84041b4c47edb0461f3b82afb77ca2d81819ebfa.tar.bz2 | |
import of readline-4.3
Diffstat (limited to 'readline/doc/readline.html')
| -rw-r--r-- | readline/doc/readline.html | 5879 |
1 files changed, 3730 insertions, 2149 deletions
diff --git a/readline/doc/readline.html b/readline/doc/readline.html index d8a2eda..42485f5 100644 --- a/readline/doc/readline.html +++ b/readline/doc/readline.html @@ -1,159 +1,111 @@ <HTML> +<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<!-- Created on June, 27 2002 by texi2html 1.64 --> +<!-- +Written by: Lionel Cons <Lionel.Cons@cern.ch> (original author) + Karl Berry <karl@freefriends.org> + Olaf Bachmann <obachman@mathematik.uni-kl.de> + and many others. +Maintained by: Olaf Bachmann <obachman@mathematik.uni-kl.de> +Send bugs and suggestions to <texi2html@mathematik.uni-kl.de> + +--> <HEAD> -<!-- This HTML file has been created by texi2html 1.52 - from /usr/homes/chet/src/bash/readline-src/doc/rlman.texinfo on 1 March 2000 --> +<TITLE>GNU Readline Library: </TITLE> + +<META NAME="description" CONTENT="GNU Readline Library: "> +<META NAME="keywords" CONTENT="GNU Readline Library: "> +<META NAME="resource-type" CONTENT="document"> +<META NAME="distribution" CONTENT="global"> +<META NAME="Generator" CONTENT="texi2html 1.64"> -<TITLE>GNU Readline Library</TITLE> </HEAD> -<BODY> -<H1>GNU Readline Library</H1> -<H2>Edition 4.1, for <CODE>Readline Library</CODE> Version 4.1.</H2> -<H2>January 2000</H2> -<ADDRESS>Brian Fox, Free Software Foundation</ADDRESS> -<ADDRESS>Chet Ramey, Case Western Reserve University</ADDRESS> -<P> -<P><HR><P> -<H1>Table of Contents</H1> -<UL> -<LI><A NAME="TOC1" HREF="readline.html#SEC1">Command Line Editing</A> -<UL> -<LI><A NAME="TOC2" HREF="readline.html#SEC2">Introduction to Line Editing</A> -<LI><A NAME="TOC3" HREF="readline.html#SEC3">Readline Interaction</A> -<UL> -<LI><A NAME="TOC4" HREF="readline.html#SEC4">Readline Bare Essentials</A> -<LI><A NAME="TOC5" HREF="readline.html#SEC5">Readline Movement Commands</A> -<LI><A NAME="TOC6" HREF="readline.html#SEC6">Readline Killing Commands</A> -<LI><A NAME="TOC7" HREF="readline.html#SEC7">Readline Arguments</A> -<LI><A NAME="TOC8" HREF="readline.html#SEC8">Searching for Commands in the History</A> -</UL> -<LI><A NAME="TOC9" HREF="readline.html#SEC9">Readline Init File</A> -<UL> -<LI><A NAME="TOC10" HREF="readline.html#SEC10">Readline Init File Syntax</A> -<LI><A NAME="TOC11" HREF="readline.html#SEC11">Conditional Init Constructs</A> -<LI><A NAME="TOC12" HREF="readline.html#SEC12">Sample Init File</A> -</UL> -<LI><A NAME="TOC13" HREF="readline.html#SEC13">Bindable Readline Commands</A> -<UL> -<LI><A NAME="TOC14" HREF="readline.html#SEC14">Commands For Moving</A> -<LI><A NAME="TOC15" HREF="readline.html#SEC15">Commands For Manipulating The History</A> -<LI><A NAME="TOC16" HREF="readline.html#SEC16">Commands For Changing Text</A> -<LI><A NAME="TOC17" HREF="readline.html#SEC17">Killing And Yanking</A> -<LI><A NAME="TOC18" HREF="readline.html#SEC18">Specifying Numeric Arguments</A> -<LI><A NAME="TOC19" HREF="readline.html#SEC19">Letting Readline Type For You</A> -<LI><A NAME="TOC20" HREF="readline.html#SEC20">Keyboard Macros</A> -<LI><A NAME="TOC21" HREF="readline.html#SEC21">Some Miscellaneous Commands</A> -</UL> -<LI><A NAME="TOC22" HREF="readline.html#SEC22">Readline vi Mode</A> -</UL> -<LI><A NAME="TOC23" HREF="readline.html#SEC23">Programming with GNU Readline</A> -<UL> -<LI><A NAME="TOC24" HREF="readline.html#SEC24">Basic Behavior</A> -<LI><A NAME="TOC25" HREF="readline.html#SEC25">Custom Functions</A> -<UL> -<LI><A NAME="TOC26" HREF="readline.html#SEC26">The Function Type</A> -<LI><A NAME="TOC27" HREF="readline.html#SEC27">Writing a New Function</A> -</UL> -<LI><A NAME="TOC28" HREF="readline.html#SEC28">Readline Variables</A> -<LI><A NAME="TOC29" HREF="readline.html#SEC29">Readline Convenience Functions</A> -<UL> -<LI><A NAME="TOC30" HREF="readline.html#SEC30">Naming a Function</A> -<LI><A NAME="TOC31" HREF="readline.html#SEC31">Selecting a Keymap</A> -<LI><A NAME="TOC32" HREF="readline.html#SEC32">Binding Keys</A> -<LI><A NAME="TOC33" HREF="readline.html#SEC33">Associating Function Names and Bindings</A> -<LI><A NAME="TOC34" HREF="readline.html#SEC34">Allowing Undoing</A> -<LI><A NAME="TOC35" HREF="readline.html#SEC35">Redisplay</A> -<LI><A NAME="TOC36" HREF="readline.html#SEC36">Modifying Text</A> -<LI><A NAME="TOC37" HREF="readline.html#SEC37">Utility Functions</A> -<LI><A NAME="TOC38" HREF="readline.html#SEC38">Alternate Interface</A> -<LI><A NAME="TOC39" HREF="readline.html#SEC39">An Example</A> -</UL> -<LI><A NAME="TOC40" HREF="readline.html#SEC40">Readline Signal Handling</A> -<LI><A NAME="TOC41" HREF="readline.html#SEC41">Custom Completers</A> -<UL> -<LI><A NAME="TOC42" HREF="readline.html#SEC42">How Completing Works</A> -<LI><A NAME="TOC43" HREF="readline.html#SEC43">Completion Functions</A> -<LI><A NAME="TOC44" HREF="readline.html#SEC44">Completion Variables</A> -<LI><A NAME="TOC45" HREF="readline.html#SEC45">A Short Completion Example</A> -</UL> -</UL> -<LI><A NAME="TOC46" HREF="readline.html#SEC46">Concept Index</A> -<LI><A NAME="TOC47" HREF="readline.html#SEC47">Function and Variable Index</A> -</UL> -<P><HR><P> -<P> +<BODY LANG="" BGCOLOR="#FFFFFF" TEXT="#000000" LINK="#0000FF" VLINK="#800080" ALINK="#FF0000"> + +<A NAME="SEC_Top"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H1>GNU Readline Library</H1></P><P> + This document describes the GNU Readline Library, a utility which aids in the consistency of user interface across discrete programs that need to provide a command line interface. - -</P> +</P><P> + +<BLOCKQUOTE><TABLE BORDER=0 CELLSPACING=0> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC1">1. Command Line Editing</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">GNU Readline User's Manual.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC23">2. Programming with GNU Readline</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">GNU Readline Programmer's Manual.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC49">Concept Index</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Index of concepts described in this manual.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC50">Function and Variable Index</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Index of externally visible functions + and variables.</TD></TR> +</TABLE></BLOCKQUOTE> +<P> + +<HR SIZE=1> +<A NAME="SEC1"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC2"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[ << ]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC23"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<A NAME="Command Line Editing"></A> +<H1> 1. Command Line Editing </H1> +<!--docid::SEC1::--> <P> -Published by the Free Software Foundation <BR> -59 Temple Place, Suite 330, <BR> -Boston, MA 02111 USA -</P> -<P> -Permission is granted to make and distribute verbatim copies of -this manual provided the copyright notice and this permission notice -are preserved on all copies. - -</P> -<P> -Permission is granted to copy and distribute modified versions of this -manual under the conditions for verbatim copying, provided that the entire -resulting derived work is distributed under the terms of a permission -notice identical to this one. - -</P> -<P> -Permission is granted to copy and distribute translations of this manual -into another language, under the above conditions for modified versions, -except that this permission notice may be stated in a translation approved -by the Free Software Foundation. - -</P> -<P> -Copyright (C) 1988-1999 Free Software Foundation, Inc. - -</P> - - - -<H1><A NAME="SEC1" HREF="readline.html#TOC1">Command Line Editing</A></H1> - -<P> This chapter describes the basic features of the GNU command line editing interface. - -</P> - -<UL> -<LI><A HREF="readline.html#SEC2">Introduction and Notation</A>: Notation used in this text. -<LI><A HREF="readline.html#SEC3">Readline Interaction</A>: The minimum set of commands for editing a line. -<LI><A HREF="readline.html#SEC9">Readline Init File</A>: Customizing Readline from a user's view. -<LI><A HREF="readline.html#SEC13">Bindable Readline Commands</A>: A description of most of the Readline commands - available for binding -<LI><A HREF="readline.html#SEC22">Readline vi Mode</A>: A short description of how to make Readline - behave like the vi editor. -</UL> - - - -<H2><A NAME="SEC2" HREF="readline.html#TOC2">Introduction to Line Editing</A></H2> - +</P><P> + +<BLOCKQUOTE><TABLE BORDER=0 CELLSPACING=0> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC2">1.1 Introduction to Line Editing</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Notation used in this text.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC3">1.2 Readline Interaction</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">The minimum set of commands for editing a line.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC9">1.3 Readline Init File</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Customizing Readline from a user's view.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC13">1.4 Bindable Readline Commands</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">A description of most of the Readline commands + available for binding</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC22">1.5 Readline vi Mode</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">A short description of how to make Readline + behave like the vi editor.</TD></TR> +</TABLE></BLOCKQUOTE> +<P> + +<A NAME="Introduction and Notation"></A> +<HR SIZE="6"> +<A NAME="SEC2"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC1"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC3"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[ << ]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC1"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC23"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H2> 1.1 Introduction to Line Editing </H2> +<!--docid::SEC2::--> <P> + The following paragraphs describe the notation used to represent keystrokes. +</P><P> -</P> -<P> The text <KBD>C-k</KBD> is read as `Control-K' and describes the character produced when the <KBD>k</KBD> key is pressed while the Control key is depressed. +</P><P> -</P> -<P> The text <KBD>M-k</KBD> is read as `Meta-K' and describes the character produced when the Meta key (if you have one) is depressed, and the <KBD>k</KBD> key is pressed. @@ -164,39 +116,46 @@ work as a Meta key. The <KBD>ALT</KBD> key on the right may also be configured to work as a Meta key or may be configured as some other modifier, such as a Compose key for typing accented characters. +</P><P> -</P> -<P> If you do not have a Meta or <KBD>ALT</KBD> key, or another key working as a Meta key, the identical keystroke can be generated by typing <KBD>ESC</KBD> -<I>first</I>, and then typing <KBD>k</KBD>. +<EM>first</EM>, and then typing <KBD>k</KBD>. Either process is known as <EM>metafying</EM> the <KBD>k</KBD> key. +</P><P> -</P> -<P> The text <KBD>M-C-k</KBD> is read as `Meta-Control-k' and describes the character produced by <EM>metafying</EM> <KBD>C-k</KBD>. +</P><P> -</P> -<P> In addition, several keys have their own names. Specifically, <KBD>DEL</KBD>, <KBD>ESC</KBD>, <KBD>LFD</KBD>, <KBD>SPC</KBD>, <KBD>RET</KBD>, and <KBD>TAB</KBD> all stand for themselves when seen in this text, or in an init file -(see section <A HREF="readline.html#SEC9">Readline Init File</A>). +(see section <A HREF="readline.html#SEC9">1.3 Readline Init File</A>). If your keyboard lacks a <KBD>LFD</KBD> key, typing <KBD>C-j</KBD> will produce the desired character. The <KBD>RET</KBD> key may be labeled <KBD>Return</KBD> or <KBD>Enter</KBD> on some keyboards. - -</P> - - -<H2><A NAME="SEC3" HREF="readline.html#TOC3">Readline Interaction</A></H2> +</P><P> + +<A NAME="Readline Interaction"></A> +<HR SIZE="6"> +<A NAME="SEC3"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC2"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC4"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC9"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC1"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC9"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H2> 1.2 Readline Interaction </H2> +<!--docid::SEC3::--> <P> -<A NAME="IDX1"></A> -</P> -<P> Often during an interactive session you type in a long line of text, only to notice that the first word on the line is misspelled. The Readline library gives you a set of commands for manipulating the text @@ -204,231 +163,269 @@ as you type it in, allowing you to just fix your typo, and not forcing you to retype the majority of the line. Using these editing commands, you move the cursor to the place that needs correction, and delete or insert the text of the corrections. Then, when you are satisfied with -the line, you simply press <KBD>RETURN</KBD>. You do not have to be at the -end of the line to press <KBD>RETURN</KBD>; the entire line is accepted +the line, you simply press <KBD>RET</KBD>. You do not have to be at the +end of the line to press <KBD>RET</KBD>; the entire line is accepted regardless of the location of the cursor within the line. - -</P> - -<UL> -<LI><A HREF="readline.html#SEC4">Readline Bare Essentials</A>: The least you need to know about Readline. -<LI><A HREF="readline.html#SEC5">Readline Movement Commands</A>: Moving about the input line. -<LI><A HREF="readline.html#SEC6">Readline Killing Commands</A>: How to delete text, and how to get it back! -<LI><A HREF="readline.html#SEC7">Readline Arguments</A>: Giving numeric arguments to commands. -<LI><A HREF="readline.html#SEC8">Searching</A>: Searching through previous lines. -</UL> - - - -<H3><A NAME="SEC4" HREF="readline.html#TOC4">Readline Bare Essentials</A></H3> +</P><P> + +<BLOCKQUOTE><TABLE BORDER=0 CELLSPACING=0> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC4">1.2.1 Readline Bare Essentials</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">The least you need to know about Readline.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC5">1.2.2 Readline Movement Commands</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Moving about the input line.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC6">1.2.3 Readline Killing Commands</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">How to delete text, and how to get it back!</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC7">1.2.4 Readline Arguments</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Giving numeric arguments to commands.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC8">1.2.5 Searching for Commands in the History</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Searching through previous lines.</TD></TR> +</TABLE></BLOCKQUOTE> +<P> + +<A NAME="Readline Bare Essentials"></A> +<HR SIZE="6"> +<A NAME="SEC4"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC3"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC5"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC9"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC3"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC9"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 1.2.1 Readline Bare Essentials </H3> +<!--docid::SEC4::--> <P> -<A NAME="IDX2"></A> -<A NAME="IDX3"></A> -<A NAME="IDX4"></A> -</P> -<P> In order to enter characters into the line, simply type them. The typed character appears where the cursor was, and then the cursor moves one space to the right. If you mistype a character, you can use your erase character to back up and delete the mistyped character. +</P><P> -</P> -<P> Sometimes you may mistype a character, and not notice the error until you have typed several other characters. In that case, you can type <KBD>C-b</KBD> to move the cursor to the left, and then correct your mistake. Afterwards, you can move the cursor to the right with <KBD>C-f</KBD>. +</P><P> -</P> -<P> When you add text in the middle of a line, you will notice that characters to the right of the cursor are `pushed over' to make room for the text that you have inserted. Likewise, when you delete text behind the cursor, characters to the right of the cursor are `pulled back' to fill in the blank space created by the removal of the text. A list of the bare essentials for editing the text of an input line follows. +</P><P> -</P> <DL COMPACT> - <DT><KBD>C-b</KBD> -<DD> -Move back one character. +<DD>Move back one character. <DT><KBD>C-f</KBD> -<DD> -Move forward one character. +<DD>Move forward one character. <DT><KBD>DEL</KBD> or <KBD>Backspace</KBD> -<DD> -Delete the character to the left of the cursor. +<DD>Delete the character to the left of the cursor. <DT><KBD>C-d</KBD> -<DD> -Delete the character underneath the cursor. +<DD>Delete the character underneath the cursor. <DT>Printing characters -<DD> -Insert the character into the line at the cursor. +<DD>Insert the character into the line at the cursor. <DT><KBD>C-_</KBD> or <KBD>C-x C-u</KBD> -<DD> -Undo the last editing command. You can undo all the way back to an +<DD>Undo the last editing command. You can undo all the way back to an empty line. </DL> - <P> + (Depending on your configuration, the <KBD>Backspace</KBD> key be set to delete the character to the left of the cursor and the <KBD>DEL</KBD> key set to delete the character underneath the cursor, like <KBD>C-d</KBD>, rather than the character to the left of the cursor.) - -</P> - - -<H3><A NAME="SEC5" HREF="readline.html#TOC5">Readline Movement Commands</A></H3> - +</P><P> + +<A NAME="Readline Movement Commands"></A> +<HR SIZE="6"> +<A NAME="SEC5"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC4"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC6"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC6"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC3"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC9"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 1.2.2 Readline Movement Commands </H3> +<!--docid::SEC5::--> <P> + The above table describes the most basic keystrokes that you need in order to do editing of the input line. For your convenience, many other commands have been added in addition to <KBD>C-b</KBD>, <KBD>C-f</KBD>, <KBD>C-d</KBD>, and <KBD>DEL</KBD>. Here are some commands for moving more rapidly about the line. +</P><P> -</P> <DL COMPACT> - <DT><KBD>C-a</KBD> -<DD> -Move to the start of the line. +<DD>Move to the start of the line. <DT><KBD>C-e</KBD> -<DD> -Move to the end of the line. +<DD>Move to the end of the line. <DT><KBD>M-f</KBD> -<DD> -Move forward a word, where a word is composed of letters and digits. +<DD>Move forward a word, where a word is composed of letters and digits. <DT><KBD>M-b</KBD> -<DD> -Move backward a word. +<DD>Move backward a word. <DT><KBD>C-l</KBD> -<DD> -Clear the screen, reprinting the current line at the top. +<DD>Clear the screen, reprinting the current line at the top. </DL> - <P> + Notice how <KBD>C-f</KBD> moves forward a character, while <KBD>M-f</KBD> moves forward a word. It is a loose convention that control keystrokes operate on characters while meta keystrokes operate on words. - -</P> - - -<H3><A NAME="SEC6" HREF="readline.html#TOC6">Readline Killing Commands</A></H3> - +</P><P> + +<A NAME="Readline Killing Commands"></A> +<HR SIZE="6"> +<A NAME="SEC6"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC5"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC7"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC7"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC3"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC9"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 1.2.3 Readline Killing Commands </H3> +<!--docid::SEC6::--> <P> -<A NAME="IDX5"></A> -<A NAME="IDX6"></A> -</P> -<P> +<A NAME="IDX1"></A> +<A NAME="IDX2"></A> +</P><P> + <EM>Killing</EM> text means to delete the text from the line, but to save it away for later use, usually by <EM>yanking</EM> (re-inserting) it back into the line. (`Cut' and `paste' are more recent jargon for `kill' and `yank'.) +</P><P> -</P> -<P> If the description for a command says that it `kills' text, then you can be sure that you can get the text back in a different (or the same) place later. +</P><P> -</P> -<P> When you use a kill command, the text is saved in a <EM>kill-ring</EM>. Any number of consecutive kills save all of the killed text together, so that when you yank it back, you get it all. The kill ring is not line specific; the text that you killed on a previously typed line is available to be yanked back later, when you are typing another line. -<A NAME="IDX7"></A> +<A NAME="IDX3"></A> +</P><P> -</P> -<P> Here is the list of commands for killing text. +</P><P> -</P> <DL COMPACT> - <DT><KBD>C-k</KBD> -<DD> -Kill the text from the current cursor position to the end of the line. +<DD>Kill the text from the current cursor position to the end of the line. +<P> <DT><KBD>M-d</KBD> -<DD> -Kill from the cursor to the end of the current word, or, if between +<DD>Kill from the cursor to the end of the current word, or, if between words, to the end of the next word. Word boundaries are the same as those used by <KBD>M-f</KBD>. +<P> -<DT><KBD>M-DEL</KBD> -<DD> -Kill from the cursor the start of the previous word, or, if between +<DT><KBD>M-<KBD>DEL</KBD></KBD> +<DD>Kill from the cursor the start of the current word, or, if between words, to the start of the previous word. Word boundaries are the same as those used by <KBD>M-b</KBD>. +<P> <DT><KBD>C-w</KBD> -<DD> -Kill from the cursor to the previous whitespace. This is different than -<KBD>M-DEL</KBD> because the word boundaries differ. +<DD>Kill from the cursor to the previous whitespace. This is different than +<KBD>M-<KBD>DEL</KBD></KBD> because the word boundaries differ. +<P> </DL> - <P> + Here is how to <EM>yank</EM> the text back into the line. Yanking means to copy the most-recently-killed text from the kill buffer. +</P><P> -</P> <DL COMPACT> - <DT><KBD>C-y</KBD> -<DD> -Yank the most recently killed text back into the buffer at the cursor. +<DD>Yank the most recently killed text back into the buffer at the cursor. +<P> <DT><KBD>M-y</KBD> -<DD> -Rotate the kill-ring, and yank the new top. You can only do this if +<DD>Rotate the kill-ring, and yank the new top. You can only do this if the prior command is <KBD>C-y</KBD> or <KBD>M-y</KBD>. </DL> +<P> - - -<H3><A NAME="SEC7" HREF="readline.html#TOC7">Readline Arguments</A></H3> - +<A NAME="Readline Arguments"></A> +<HR SIZE="6"> +<A NAME="SEC7"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC6"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC8"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC8"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC3"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC9"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 1.2.4 Readline Arguments </H3> +<!--docid::SEC7::--> <P> + You can pass numeric arguments to Readline commands. Sometimes the argument acts as a repeat count, other times it is the <I>sign</I> of the argument that is significant. If you pass a negative argument to a command which normally acts in a forward direction, that command will act in a backward direction. For example, to kill text back to the start of the line, you might type <SAMP>`M-- C-k'</SAMP>. +</P><P> -</P> -<P> The general way to pass numeric arguments to a command is to type meta digits before the command. If the first `digit' typed is a minus sign (<SAMP>`-'</SAMP>), then the sign of the argument will be negative. Once you have typed one meta digit to get the argument started, you can type the remainder of the digits, and then the command. For example, to give -the <KBD>C-d</KBD> command an argument of 10, you could type <SAMP>`M-1 0 C-d'</SAMP>. - -</P> - - -<H3><A NAME="SEC8" HREF="readline.html#TOC8">Searching for Commands in the History</A></H3> - +the <KBD>C-d</KBD> command an argument of 10, you could type <SAMP>`M-1 0 C-d'</SAMP>, +which will delete the next ten characters on the input line. +</P><P> + +<A NAME="Searching"></A> +<HR SIZE="6"> +<A NAME="SEC8"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC7"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC9"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC9"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC3"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC9"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 1.2.5 Searching for Commands in the History </H3> +<!--docid::SEC8::--> <P> + Readline provides commands for searching through the command history for lines containing a specified string. -There are two search modes: <VAR>incremental</VAR> and <VAR>non-incremental</VAR>. +There are two search modes: <EM>incremental</EM> and <EM>non-incremental</EM>. +</P><P> -</P> -<P> Incremental searches begin before the user has finished typing the search string. As each character of the search string is typed, Readline displays @@ -444,9 +441,8 @@ If that variable has not been assigned a value, the <KBD>ESC</KBD> and <KBD>C-g</KBD> will abort an incremental search and restore the original line. When the search is terminated, the history entry containing the search string becomes the current line. +</P><P> -</P> -<P> To find other matching entries in the history list, type <KBD>C-r</KBD> or <KBD>C-s</KBD> as appropriate. This will search backward or forward in the history for the next @@ -455,22 +451,38 @@ Any other key sequence bound to a Readline command will terminate the search and execute that command. For instance, a <KBD>RET</KBD> will terminate the search and accept the line, thereby executing the command from the history list. +A movement command will terminate the search, make the last line found +the current line, and begin editing. +</P><P> + +Readline remembers the last incremental search string. If two +<KBD>C-r</KBD>s are typed without any intervening characters defining a new +search string, any remembered search string is used. +</P><P> -</P> -<P> Non-incremental searches read the entire search string before starting to search for matching history lines. The search string may be typed by the user or be part of the contents of the current line. - -</P> - - -<H2><A NAME="SEC9" HREF="readline.html#TOC9">Readline Init File</A></H2> +</P><P> + +<A NAME="Readline Init File"></A> +<HR SIZE="6"> +<A NAME="SEC9"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC8"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC10"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC13"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC1"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC13"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H2> 1.3 Readline Init File </H2> +<!--docid::SEC9::--> <P> -<A NAME="IDX8"></A> -</P> -<P> Although the Readline library comes with a set of Emacs-like keybindings installed by default, it is possible to use a different set of keybindings. @@ -479,158 +491,191 @@ commands in an <EM>inputrc</EM> file, conventionally in his home directory. The name of this file is taken from the value of the environment variable <CODE>INPUTRC</CODE>. If that variable is unset, the default is <TT>`~/.inputrc'</TT>. +</P><P> -</P> -<P> When a program which uses the Readline library starts up, the init file is read, and the key bindings are set. +</P><P> -</P> -<P> In addition, the <CODE>C-x C-r</CODE> command re-reads this init file, thus incorporating any changes that you might have made to it. - -</P> - -<UL> -<LI><A HREF="readline.html#SEC10">Readline Init File Syntax</A>: Syntax for the commands in the inputrc file. - -<LI><A HREF="readline.html#SEC11">Conditional Init Constructs</A>: Conditional key bindings in the inputrc file. - -<LI><A HREF="readline.html#SEC12">Sample Init File</A>: An example inputrc file. -</UL> - - - -<H3><A NAME="SEC10" HREF="readline.html#TOC10">Readline Init File Syntax</A></H3> - +</P><P> + +<BLOCKQUOTE><TABLE BORDER=0 CELLSPACING=0> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Syntax for the commands in the inputrc file.</TD></TR> +</TABLE> + +<br> +<TABLE BORDER=0 CELLSPACING=0> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC11">1.3.2 Conditional Init Constructs</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Conditional key bindings in the inputrc file.</TD></TR> +</TABLE> + +<br> +<TABLE BORDER=0 CELLSPACING=0> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC12">1.3.3 Sample Init File</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">An example inputrc file.</TD></TR> +</TABLE></BLOCKQUOTE> +<P> + +<A NAME="Readline Init File Syntax"></A> +<HR SIZE="6"> +<A NAME="SEC10"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC9"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC11"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC13"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC9"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC13"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 1.3.1 Readline Init File Syntax </H3> +<!--docid::SEC10::--> <P> + There are only a few basic constructs allowed in the Readline init file. Blank lines are ignored. Lines beginning with a <SAMP>`#'</SAMP> are comments. Lines beginning with a <SAMP>`$'</SAMP> indicate conditional -constructs (see section <A HREF="readline.html#SEC11">Conditional Init Constructs</A>). Other lines +constructs (see section <A HREF="readline.html#SEC11">1.3.2 Conditional Init Constructs</A>). Other lines denote variable settings and key bindings. +</P><P> -</P> <DL COMPACT> - <DT>Variable Settings -<DD> -You can modify the run-time behavior of Readline by +<DD>You can modify the run-time behavior of Readline by altering the values of variables in Readline -using the <CODE>set</CODE> command within the init file. Here is how to +using the <CODE>set</CODE> command within the init file. +The syntax is simple: +<P> + +<TABLE><tr><td> </td><td class=example><pre>set <VAR>variable</VAR> <VAR>value</VAR> +</pre></td></tr></table></P><P> + +Here, for example, is how to change from the default Emacs-like key binding to use <CODE>vi</CODE> line editing commands: +</P><P> +<TABLE><tr><td> </td><td class=example><pre>set editing-mode vi +</pre></td></tr></table></P><P> -<PRE> -set editing-mode vi -</PRE> +Variable names and values, where appropriate, are recognized without regard +to case. +</P><P> A great deal of run-time behavior is changeable with the following variables. +</P><P> +<A NAME="IDX4"></A> <DL COMPACT> <DT><CODE>bell-style</CODE> -<DD> -<A NAME="IDX9"></A> +<DD><A NAME="IDX5"></A> Controls what happens when Readline wants to ring the terminal bell. If set to <SAMP>`none'</SAMP>, Readline never rings the bell. If set to <SAMP>`visible'</SAMP>, Readline uses a visible bell if one is available. If set to <SAMP>`audible'</SAMP> (the default), Readline attempts to ring the terminal's bell. +<P> <DT><CODE>comment-begin</CODE> -<DD> -<A NAME="IDX10"></A> +<DD><A NAME="IDX6"></A> The string to insert at the beginning of the line when the <CODE>insert-comment</CODE> command is executed. The default value is <CODE>"#"</CODE>. +<P> <DT><CODE>completion-ignore-case</CODE> -<DD> -If set to <SAMP>`on'</SAMP>, Readline performs filename matching and completion +<DD>If set to <SAMP>`on'</SAMP>, Readline performs filename matching and completion in a case-insensitive fashion. The default value is <SAMP>`off'</SAMP>. +<P> <DT><CODE>completion-query-items</CODE> -<DD> -<A NAME="IDX11"></A> +<DD><A NAME="IDX7"></A> The number of possible completions that determines when the user is asked whether he wants to see the list of possibilities. If the number of possible completions is greater than this value, Readline will ask the user whether or not he wishes to view -them; otherwise, they are simply listed. The default limit is -<CODE>100</CODE>. +them; otherwise, they are simply listed. +This variable must be set to an integer value greater than or equal to 0. +The default limit is <CODE>100</CODE>. +<P> <DT><CODE>convert-meta</CODE> -<DD> -<A NAME="IDX12"></A> +<DD><A NAME="IDX8"></A> If set to <SAMP>`on'</SAMP>, Readline will convert characters with the eighth bit set to an ASCII key sequence by stripping the eighth bit and prefixing an <KBD>ESC</KBD> character, converting them to a meta-prefixed key sequence. The default value is <SAMP>`on'</SAMP>. +<P> <DT><CODE>disable-completion</CODE> -<DD> -<A NAME="IDX13"></A> +<DD><A NAME="IDX9"></A> If set to <SAMP>`On'</SAMP>, Readline will inhibit word completion. Completion characters will be inserted into the line as if they had been mapped to <CODE>self-insert</CODE>. The default is <SAMP>`off'</SAMP>. +<P> <DT><CODE>editing-mode</CODE> -<DD> -<A NAME="IDX14"></A> +<DD><A NAME="IDX10"></A> The <CODE>editing-mode</CODE> variable controls which default set of key bindings is used. By default, Readline starts up in Emacs editing mode, where the keystrokes are most similar to Emacs. This variable can be set to either <SAMP>`emacs'</SAMP> or <SAMP>`vi'</SAMP>. +<P> <DT><CODE>enable-keypad</CODE> -<DD> -<A NAME="IDX15"></A> +<DD><A NAME="IDX11"></A> When set to <SAMP>`on'</SAMP>, Readline will try to enable the application keypad when it is called. Some systems need this to enable the arrow keys. The default is <SAMP>`off'</SAMP>. +<P> <DT><CODE>expand-tilde</CODE> -<DD> -<A NAME="IDX16"></A> +<DD><A NAME="IDX12"></A> If set to <SAMP>`on'</SAMP>, tilde expansion is performed when Readline attempts word completion. The default is <SAMP>`off'</SAMP>. +<P> + +<A NAME="IDX13"></A> +If set to <SAMP>`on'</SAMP>, the history code attempts to place point at the +same location on each history line retrived with <CODE>previous-history</CODE> +or <CODE>next-history</CODE>. +</P><P> <DT><CODE>horizontal-scroll-mode</CODE> -<DD> -<A NAME="IDX17"></A> +<DD><A NAME="IDX14"></A> This variable can be set to either <SAMP>`on'</SAMP> or <SAMP>`off'</SAMP>. Setting it to <SAMP>`on'</SAMP> means that the text of the lines being edited will scroll horizontally on a single screen line when they are longer than the width of the screen, instead of wrapping onto a new screen line. By default, this variable is set to <SAMP>`off'</SAMP>. +<P> <DT><CODE>input-meta</CODE> -<DD> -<A NAME="IDX18"></A> -<A NAME="IDX19"></A> +<DD><A NAME="IDX15"></A> +<A NAME="IDX16"></A> If set to <SAMP>`on'</SAMP>, Readline will enable eight-bit input (it -will not strip the eighth bit from the characters it reads), +will not clear the eighth bit in the characters it reads), regardless of what the terminal claims it can support. The default value is <SAMP>`off'</SAMP>. The name <CODE>meta-flag</CODE> is a synonym for this variable. +<P> <DT><CODE>isearch-terminators</CODE> -<DD> -<A NAME="IDX20"></A> +<DD><A NAME="IDX17"></A> The string of characters that should terminate an incremental search without -subsequently executing the character as a command (see section <A HREF="readline.html#SEC8">Searching for Commands in the History</A>). +subsequently executing the character as a command (see section <A HREF="readline.html#SEC8">1.2.5 Searching for Commands in the History</A>). If this variable has not been given a value, the characters <KBD>ESC</KBD> and <KBD>C-J</KBD> will terminate an incremental search. +<P> <DT><CODE>keymap</CODE> -<DD> -<A NAME="IDX21"></A> +<DD><A NAME="IDX18"></A> Sets Readline's idea of the current keymap for key binding commands. Acceptable <CODE>keymap</CODE> names are <CODE>emacs</CODE>, @@ -638,173 +683,207 @@ Acceptable <CODE>keymap</CODE> names are <CODE>emacs-meta</CODE>, <CODE>emacs-ctlx</CODE>, <CODE>vi</CODE>, +<CODE>vi-move</CODE>, <CODE>vi-command</CODE>, and <CODE>vi-insert</CODE>. <CODE>vi</CODE> is equivalent to <CODE>vi-command</CODE>; <CODE>emacs</CODE> is equivalent to <CODE>emacs-standard</CODE>. The default value is <CODE>emacs</CODE>. The value of the <CODE>editing-mode</CODE> variable also affects the default keymap. +<P> <DT><CODE>mark-directories</CODE> -<DD> -If set to <SAMP>`on'</SAMP>, completed directory names have a slash +<DD>If set to <SAMP>`on'</SAMP>, completed directory names have a slash appended. The default is <SAMP>`on'</SAMP>. +<P> <DT><CODE>mark-modified-lines</CODE> -<DD> -<A NAME="IDX22"></A> +<DD><A NAME="IDX19"></A> This variable, when set to <SAMP>`on'</SAMP>, causes Readline to display an asterisk (<SAMP>`*'</SAMP>) at the start of history lines which have been modified. This variable is <SAMP>`off'</SAMP> by default. +<P> + +<DT><CODE>mark-symlinked-directories</CODE> +<DD><A NAME="IDX20"></A> +If set to <SAMP>`on'</SAMP>, completed names which are symbolic links +to directories have a slash appended (subject to the value of +<CODE>mark-directories</CODE>). +The default is <SAMP>`off'</SAMP>. +<P> + +<DT><CODE>match-hidden-files</CODE> +<DD><A NAME="IDX21"></A> +This variable, when set to <SAMP>`on'</SAMP>, causes Readline to match files whose +names begin with a <SAMP>`.'</SAMP> (hidden files) when performing filename +completion, unless the leading <SAMP>`.'</SAMP> is +supplied by the user in the filename to be completed. +This variable is <SAMP>`on'</SAMP> by default. +<P> <DT><CODE>output-meta</CODE> -<DD> -<A NAME="IDX23"></A> +<DD><A NAME="IDX22"></A> If set to <SAMP>`on'</SAMP>, Readline will display characters with the eighth bit set directly rather than as a meta-prefixed escape sequence. The default is <SAMP>`off'</SAMP>. +<P> + +<DT><CODE>page-completions</CODE> +<DD><A NAME="IDX23"></A> +If set to <SAMP>`on'</SAMP>, Readline uses an internal <CODE>more</CODE>-like pager +to display a screenful of possible completions at a time. +This variable is <SAMP>`on'</SAMP> by default. +<P> <DT><CODE>print-completions-horizontally</CODE> -<DD> -If set to <SAMP>`on'</SAMP>, Readline will display completions with matches +<DD>If set to <SAMP>`on'</SAMP>, Readline will display completions with matches sorted horizontally in alphabetical order, rather than down the screen. The default is <SAMP>`off'</SAMP>. +<P> <DT><CODE>show-all-if-ambiguous</CODE> -<DD> -<A NAME="IDX24"></A> +<DD><A NAME="IDX24"></A> This alters the default behavior of the completion functions. If set to <SAMP>`on'</SAMP>, words which have more than one possible completion cause the matches to be listed immediately instead of ringing the bell. The default value is <SAMP>`off'</SAMP>. +<P> <DT><CODE>visible-stats</CODE> -<DD> -<A NAME="IDX25"></A> +<DD><A NAME="IDX25"></A> If set to <SAMP>`on'</SAMP>, a character denoting a file's type is appended to the filename when listing possible completions. The default is <SAMP>`off'</SAMP>. +<P> </DL> +<P> <DT>Key Bindings -<DD> -The syntax for controlling key bindings in the init file is +<DD>The syntax for controlling key bindings in the init file is simple. First you need to find the name of the command that you want to change. The following sections contain tables of the command name, the default keybinding, if any, and a short description of what the command does. +<P> -Once you know the name of the command, simply place the name of the key +Once you know the name of the command, simply place on a line +in the init file the name of the key you wish to bind the command to, a colon, and then the name of the -command on a line in the init file. The name of the key -can be expressed in different ways, depending on which is most -comfortable for you. +command. The name of the key +can be expressed in different ways, depending on what you find most +comfortable. +</P><P> -<DL COMPACT> +In addition to command names, readline allows keys to be bound +to a string that is inserted when the key is pressed (a <VAR>macro</VAR>). +</P><P> +<DL COMPACT> <DT><VAR>keyname</VAR>: <VAR>function-name</VAR> or <VAR>macro</VAR> -<DD> -<VAR>keyname</VAR> is the name of a key spelled out in English. For example: - -<PRE> -Control-u: universal-argument +<DD><VAR>keyname</VAR> is the name of a key spelled out in English. For example: +<TABLE><tr><td> </td><td class=example><pre>Control-u: universal-argument Meta-Rubout: backward-kill-word Control-o: "> output" -</PRE> +</pre></td></tr></table><P> In the above example, <KBD>C-u</KBD> is bound to the function -<CODE>universal-argument</CODE>, and <KBD>C-o</KBD> is bound to run the macro +<CODE>universal-argument</CODE>, +<KBD>M-DEL</KBD> is bound to the function <CODE>backward-kill-word</CODE>, and +<KBD>C-o</KBD> is bound to run the macro expressed on the right hand side (that is, to insert the text <SAMP>`> output'</SAMP> into the line). +</P><P> + +A number of symbolic character names are recognized while +processing this key binding syntax: +<VAR>DEL</VAR>, +<VAR>ESC</VAR>, +<VAR>ESCAPE</VAR>, +<VAR>LFD</VAR>, +<VAR>NEWLINE</VAR>, +<VAR>RET</VAR>, +<VAR>RETURN</VAR>, +<VAR>RUBOUT</VAR>, +<VAR>SPACE</VAR>, +<VAR>SPC</VAR>, +and +<VAR>TAB</VAR>. +</P><P> <DT>"<VAR>keyseq</VAR>": <VAR>function-name</VAR> or <VAR>macro</VAR> -<DD> -<VAR>keyseq</VAR> differs from <VAR>keyname</VAR> above in that strings +<DD><VAR>keyseq</VAR> differs from <VAR>keyname</VAR> above in that strings denoting an entire key sequence can be specified, by placing the key sequence in double quotes. Some GNU Emacs style key escapes can be used, as in the following example, but the special character names are not recognized. +<P> - -<PRE> -"\C-u": universal-argument +<TABLE><tr><td> </td><td class=example><pre>"\C-u": universal-argument "\C-x\C-r": re-read-init-file "\e[11~": "Function Key 1" -</PRE> +</pre></td></tr></table></P><P> -In the above example, <KBD>C-u</KBD> is bound to the function +In the above example, <KBD>C-u</KBD> is again bound to the function <CODE>universal-argument</CODE> (just as it was in the first example), <SAMP>`<KBD>C-x</KBD> <KBD>C-r</KBD>'</SAMP> is bound to the function <CODE>re-read-init-file</CODE>, and <SAMP>`<KBD>ESC</KBD> <KBD>[</KBD> <KBD>1</KBD> <KBD>1</KBD> <KBD>~</KBD>'</SAMP> is bound to insert the text <SAMP>`Function Key 1'</SAMP>. +</P><P> </DL> +<P> The following GNU Emacs style escape sequences are available when specifying key sequences: +</P><P> <DL COMPACT> - <DT><CODE><KBD>\C-</KBD></CODE> -<DD> -control prefix +<DD>control prefix <DT><CODE><KBD>\M-</KBD></CODE> -<DD> -meta prefix +<DD>meta prefix <DT><CODE><KBD>\e</KBD></CODE> -<DD> -an escape character +<DD>an escape character <DT><CODE><KBD>\\</KBD></CODE> -<DD> -backslash +<DD>backslash <DT><CODE><KBD>\"</KBD></CODE> -<DD> -<KBD>"</KBD>, a double quotation mark +<DD><KBD>"</KBD>, a double quotation mark <DT><CODE><KBD>\'</KBD></CODE> -<DD> -<KBD>'</KBD>, a single quote or apostrophe +<DD><KBD>'</KBD>, a single quote or apostrophe </DL> +<P> In addition to the GNU Emacs style escape sequences, a second set of backslash escapes is available: +</P><P> <DL COMPACT> - <DT><CODE>\a</CODE> -<DD> -alert (bell) +<DD>alert (bell) <DT><CODE>\b</CODE> -<DD> -backspace +<DD>backspace <DT><CODE>\d</CODE> -<DD> -delete +<DD>delete <DT><CODE>\f</CODE> -<DD> -form feed +<DD>form feed <DT><CODE>\n</CODE> -<DD> -newline +<DD>newline <DT><CODE>\r</CODE> -<DD> -carriage return +<DD>carriage return <DT><CODE>\t</CODE> -<DD> -horizontal tab +<DD>horizontal tab <DT><CODE>\v</CODE> -<DD> -vertical tab +<DD>vertical tab <DT><CODE>\<VAR>nnn</VAR></CODE> -<DD> -the character whose <CODE>ASCII</CODE> code is the octal value <VAR>nnn</VAR> -(one to three digits) -<DT><CODE>\x<VAR>nnn</VAR></CODE> -<DD> -the character whose <CODE>ASCII</CODE> code is the hexadecimal value <VAR>nnn</VAR> +<DD>the eight-bit character whose value is the octal value <VAR>nnn</VAR> (one to three digits) +<DT><CODE>\x<VAR>HH</VAR></CODE> +<DD>the eight-bit character whose value is the hexadecimal value <VAR>HH</VAR> +(one or two hex digits) </DL> +<P> When entering the text of a macro, single or double quotes must be used to indicate a macro definition. @@ -812,115 +891,130 @@ Unquoted text is assumed to be a function name. In the macro body, the backslash escapes described above are expanded. Backslash will quote any other character in the macro text, including <SAMP>`"'</SAMP> and <SAMP>`''</SAMP>. -For example, the following binding will make <SAMP>`C-x \'</SAMP> +For example, the following binding will make <SAMP>`<KBD>C-x</KBD> \'</SAMP> insert a single <SAMP>`\'</SAMP> into the line: - -<PRE> -"\C-x\\": "\\" -</PRE> +<TABLE><tr><td> </td><td class=example><pre>"\C-x\\": "\\" +</pre></td></tr></table></P><P> </DL> +<P> - - -<H3><A NAME="SEC11" HREF="readline.html#TOC11">Conditional Init Constructs</A></H3> - +<A NAME="Conditional Init Constructs"></A> +<HR SIZE="6"> +<A NAME="SEC11"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC10"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC12"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC12"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC9"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC13"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 1.3.2 Conditional Init Constructs </H3> +<!--docid::SEC11::--> <P> + Readline implements a facility similar in spirit to the conditional compilation features of the C preprocessor which allows key bindings and variable settings to be performed as the result of tests. There are four parser directives used. +</P><P> -</P> <DL COMPACT> - <DT><CODE>$if</CODE> -<DD> -The <CODE>$if</CODE> construct allows bindings to be made based on the +<DD>The <CODE>$if</CODE> construct allows bindings to be made based on the editing mode, the terminal being used, or the application using Readline. The text of the test extends to the end of the line; no characters are required to isolate it. +<P> <DL COMPACT> - <DT><CODE>mode</CODE> -<DD> -The <CODE>mode=</CODE> form of the <CODE>$if</CODE> directive is used to test +<DD>The <CODE>mode=</CODE> form of the <CODE>$if</CODE> directive is used to test whether Readline is in <CODE>emacs</CODE> or <CODE>vi</CODE> mode. This may be used in conjunction with the <SAMP>`set keymap'</SAMP> command, for instance, to set bindings in the <CODE>emacs-standard</CODE> and <CODE>emacs-ctlx</CODE> keymaps only if Readline is starting out in <CODE>emacs</CODE> mode. +<P> <DT><CODE>term</CODE> -<DD> -The <CODE>term=</CODE> form may be used to include terminal-specific +<DD>The <CODE>term=</CODE> form may be used to include terminal-specific key bindings, perhaps to bind the key sequences output by the terminal's function keys. The word on the right side of the <SAMP>`='</SAMP> is tested against both the full name of the terminal and the portion of the terminal name before the first <SAMP>`-'</SAMP>. This allows <CODE>sun</CODE> to match both <CODE>sun</CODE> and <CODE>sun-cmd</CODE>, for instance. +<P> <DT><CODE>application</CODE> -<DD> -The <VAR>application</VAR> construct is used to include +<DD>The <VAR>application</VAR> construct is used to include application-specific settings. Each program using the Readline -library sets the <VAR>application name</VAR>, and you can test for it. +library sets the <VAR>application name</VAR>, and you can test for +a particular value. This could be used to bind key sequences to functions useful for a specific program. For instance, the following command adds a key sequence that quotes the current or previous word in Bash: - -<PRE> -$if Bash +<TABLE><tr><td> </td><td class=example><pre>$if Bash # Quote the current or previous word "\C-xq": "\eb\"\ef\"" $endif -</PRE> - -</DL> +</pre></td></tr></table></DL> +<P> <DT><CODE>$endif</CODE> -<DD> -This command, as seen in the previous example, terminates an +<DD>This command, as seen in the previous example, terminates an <CODE>$if</CODE> command. +<P> <DT><CODE>$else</CODE> -<DD> -Commands in this branch of the <CODE>$if</CODE> directive are executed if +<DD>Commands in this branch of the <CODE>$if</CODE> directive are executed if the test fails. +<P> <DT><CODE>$include</CODE> -<DD> -This directive takes a single filename as an argument and reads commands +<DD>This directive takes a single filename as an argument and reads commands and bindings from that file. - -<PRE> -$include /etc/inputrc -</PRE> - -</DL> - - - -<H3><A NAME="SEC12" HREF="readline.html#TOC12">Sample Init File</A></H3> - -<P> -Here is an example of an inputrc file. This illustrates key +For example, the following directive reads from <TT>`/etc/inputrc'</TT>: +<TABLE><tr><td> </td><td class=example><pre>$include /etc/inputrc +</pre></td></tr></table></DL> +<P> + +<A NAME="Sample Init File"></A> +<HR SIZE="6"> +<A NAME="SEC12"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC11"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC13"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC13"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC9"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC13"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 1.3.3 Sample Init File </H3> +<!--docid::SEC12::--> +<P> + +Here is an example of an <VAR>inputrc</VAR> file. This illustrates key binding, variable assignment, and conditional syntax. +</P><P> -</P> - -<PRE> -# This file controls the behaviour of line input editing for -# programs that use the Gnu Readline library. Existing programs -# include FTP, Bash, and Gdb. +<TABLE><tr><td> </td><td class=example><pre># This file controls the behaviour of line input editing for +# programs that use the GNU Readline library. Existing +# programs include FTP, Bash, and GDB. # # You can re-read the inputrc file with C-x C-r. # Lines beginning with '#' are comments. # -# First, include any systemwide bindings and variable assignments from -# /etc/Inputrc +# First, include any systemwide bindings and variable +# assignments from /etc/Inputrc $include /etc/Inputrc # @@ -972,10 +1066,12 @@ TAB: complete $if Bash # edit the path "\C-xp": "PATH=${PATH}\e\C-e\C-a\ef\C-f" -# prepare to type a quoted word -- insert open and close double quotes +# prepare to type a quoted word -- +# insert open and close double quotes # and move to just after the open quote "\C-x\"": "\"\"\C-b" -# insert a backslash (testing backslash escapes in sequences and macros) +# insert a backslash (testing backslash escapes +# in sequences and macros) "\C-x\\": "\\" # Quote the current or previous word "\C-xq": "\eb\"\ef\"" @@ -991,16 +1087,16 @@ set bell-style visible # don't strip characters to 7 bits when reading set input-meta on -# allow iso-latin1 characters to be inserted rather than converted to -# prefix-meta sequences +# allow iso-latin1 characters to be inserted rather +# than converted to prefix-meta sequences set convert-meta off -# display characters with the eighth bit set directly rather than -# as meta-prefixed characters +# display characters with the eighth bit set directly +# rather than as meta-prefixed characters set output-meta on -# if there are more than 150 possible completions for a word, ask the -# user if he wants to see all of them +# if there are more than 150 possible completions for +# a word, ask the user if he wants to see all of them set completion-query-items 150 # For FTP @@ -1009,365 +1105,516 @@ $if Ftp "\C-xt": "put \M-?" "\M-.": yank-last-arg $endif -</PRE> - - - -<H2><A NAME="SEC13" HREF="readline.html#TOC13">Bindable Readline Commands</A></H2> - - -<UL> -<LI><A HREF="readline.html#SEC14">Commands For Moving</A>: Moving about the line. -<LI><A HREF="readline.html#SEC15">Commands For History</A>: Getting at previous lines. -<LI><A HREF="readline.html#SEC16">Commands For Text</A>: Commands for changing text. -<LI><A HREF="readline.html#SEC17">Commands For Killing</A>: Commands for killing and yanking. -<LI><A HREF="readline.html#SEC18">Numeric Arguments</A>: Specifying numeric arguments, repeat counts. -<LI><A HREF="readline.html#SEC19">Commands For Completion</A>: Getting Readline to do the typing for you. -<LI><A HREF="readline.html#SEC20">Keyboard Macros</A>: Saving and re-executing typed characters -<LI><A HREF="readline.html#SEC21">Miscellaneous Commands</A>: Other miscellaneous commands. -</UL> - +</pre></td></tr></table></P><P> + +<A NAME="Bindable Readline Commands"></A> +<HR SIZE="6"> +<A NAME="SEC13"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC12"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC14"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC22"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC1"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC22"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H2> 1.4 Bindable Readline Commands </H2> +<!--docid::SEC13::--> +<P> + +<BLOCKQUOTE><TABLE BORDER=0 CELLSPACING=0> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC14">1.4.1 Commands For Moving</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Moving about the line.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Getting at previous lines.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Commands for changing text.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Commands for killing and yanking.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC18">1.4.5 Specifying Numeric Arguments</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Specifying numeric arguments, repeat counts.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC19">1.4.6 Letting Readline Type For You</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Getting Readline to do the typing for you.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC20">1.4.7 Keyboard Macros</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Saving and re-executing typed characters</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Other miscellaneous commands.</TD></TR> +</TABLE></BLOCKQUOTE> <P> + This section describes Readline commands that may be bound to key sequences. - -</P> -<P> Command names without an accompanying key sequence are unbound by default. -In the following descriptions, <VAR>point</VAR> refers to the current cursor -position, and <VAR>mark</VAR> refers to a cursor position saved by the -<CODE>set-mark</CODE> command. -The text between the point and mark is referred to as the <VAR>region</VAR>. - -</P> - +</P><P> -<H3><A NAME="SEC14" HREF="readline.html#TOC14">Commands For Moving</A></H3> +In the following descriptions, <EM>point</EM> refers to the current cursor +position, and <EM>mark</EM> refers to a cursor position saved by the +<CODE>set-mark</CODE> command. +The text between the point and mark is referred to as the <EM>region</EM>. +</P><P> + +<A NAME="Commands For Moving"></A> +<HR SIZE="6"> +<A NAME="SEC14"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC13"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC15"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC22"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC13"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC22"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 1.4.1 Commands For Moving </H3> +<!--docid::SEC14::--> <DL COMPACT> - -<DT><CODE>beginning-of-line (C-a)</CODE> -<DD> <A NAME="IDX26"></A> +<DT><CODE>beginning-of-line (C-a)</CODE> +<DD><A NAME="IDX27"></A> Move to the start of the current line. +<P> +<A NAME="IDX28"></A> <DT><CODE>end-of-line (C-e)</CODE> -<DD> -<A NAME="IDX27"></A> +<DD><A NAME="IDX29"></A> Move to the end of the line. +<P> +<A NAME="IDX30"></A> <DT><CODE>forward-char (C-f)</CODE> -<DD> -<A NAME="IDX28"></A> +<DD><A NAME="IDX31"></A> Move forward a character. +<P> +<A NAME="IDX32"></A> <DT><CODE>backward-char (C-b)</CODE> -<DD> -<A NAME="IDX29"></A> +<DD><A NAME="IDX33"></A> Move back a character. +<P> +<A NAME="IDX34"></A> <DT><CODE>forward-word (M-f)</CODE> -<DD> -<A NAME="IDX30"></A> +<DD><A NAME="IDX35"></A> Move forward to the end of the next word. Words are composed of letters and digits. +<P> +<A NAME="IDX36"></A> <DT><CODE>backward-word (M-b)</CODE> -<DD> -<A NAME="IDX31"></A> +<DD><A NAME="IDX37"></A> Move back to the start of the current or previous word. Words are composed of letters and digits. +<P> +<A NAME="IDX38"></A> <DT><CODE>clear-screen (C-l)</CODE> -<DD> -<A NAME="IDX32"></A> +<DD><A NAME="IDX39"></A> Clear the screen and redraw the current line, leaving the current line at the top of the screen. +<P> +<A NAME="IDX40"></A> <DT><CODE>redraw-current-line ()</CODE> -<DD> -<A NAME="IDX33"></A> +<DD><A NAME="IDX41"></A> Refresh the current line. By default, this is unbound. +<P> </DL> +<P> - - -<H3><A NAME="SEC15" HREF="readline.html#TOC15">Commands For Manipulating The History</A></H3> +<A NAME="Commands For History"></A> +<HR SIZE="6"> +<A NAME="SEC15"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC14"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC16"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC16"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC13"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC22"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 1.4.2 Commands For Manipulating The History </H3> +<!--docid::SEC15::--> +<P> <DL COMPACT> +<A NAME="IDX42"></A> +<DT><CODE>accept-line (Newline or Return)</CODE> +<DD><A NAME="IDX43"></A> +Accept the line regardless of where the cursor is. +If this line is +non-empty, it may be added to the history list for future recall with +<CODE>add_history()</CODE>. +If this line is a modified history line, the history line is restored +to its original state. +<P> -<DT><CODE>accept-line (Newline, Return)</CODE> -<DD> -<A NAME="IDX34"></A> -Accept the line regardless of where the cursor is. If this line is -non-empty, add it to the history list. If this line was a history -line, then restore the history line to its original state. - +<A NAME="IDX44"></A> <DT><CODE>previous-history (C-p)</CODE> -<DD> -<A NAME="IDX35"></A> -Move `up' through the history list. +<DD><A NAME="IDX45"></A> +Move `back' through the history list, fetching the previous command. +<P> +<A NAME="IDX46"></A> <DT><CODE>next-history (C-n)</CODE> -<DD> -<A NAME="IDX36"></A> -Move `down' through the history list. +<DD><A NAME="IDX47"></A> +Move `forward' through the history list, fetching the next command. +<P> +<A NAME="IDX48"></A> <DT><CODE>beginning-of-history (M-<)</CODE> -<DD> -<A NAME="IDX37"></A> +<DD><A NAME="IDX49"></A> Move to the first line in the history. +<P> +<A NAME="IDX50"></A> <DT><CODE>end-of-history (M->)</CODE> -<DD> -<A NAME="IDX38"></A> +<DD><A NAME="IDX51"></A> Move to the end of the input history, i.e., the line currently being entered. +<P> +<A NAME="IDX52"></A> <DT><CODE>reverse-search-history (C-r)</CODE> -<DD> -<A NAME="IDX39"></A> +<DD><A NAME="IDX53"></A> Search backward starting at the current line and moving `up' through the history as necessary. This is an incremental search. +<P> +<A NAME="IDX54"></A> <DT><CODE>forward-search-history (C-s)</CODE> -<DD> -<A NAME="IDX40"></A> +<DD><A NAME="IDX55"></A> Search forward starting at the current line and moving `down' through the the history as necessary. This is an incremental search. +<P> +<A NAME="IDX56"></A> <DT><CODE>non-incremental-reverse-search-history (M-p)</CODE> -<DD> -<A NAME="IDX41"></A> +<DD><A NAME="IDX57"></A> Search backward starting at the current line and moving `up' through the history as necessary using a non-incremental search for a string supplied by the user. +<P> +<A NAME="IDX58"></A> <DT><CODE>non-incremental-forward-search-history (M-n)</CODE> -<DD> -<A NAME="IDX42"></A> +<DD><A NAME="IDX59"></A> Search forward starting at the current line and moving `down' through the the history as necessary using a non-incremental search for a string supplied by the user. +<P> +<A NAME="IDX60"></A> <DT><CODE>history-search-forward ()</CODE> -<DD> -<A NAME="IDX43"></A> +<DD><A NAME="IDX61"></A> Search forward through the history for the string of characters between the start of the current line and the point. This is a non-incremental search. By default, this command is unbound. +<P> +<A NAME="IDX62"></A> <DT><CODE>history-search-backward ()</CODE> -<DD> -<A NAME="IDX44"></A> +<DD><A NAME="IDX63"></A> Search backward through the history for the string of characters between the start of the current line and the point. This is a non-incremental search. By default, this command is unbound. +<P> +<A NAME="IDX64"></A> <DT><CODE>yank-nth-arg (M-C-y)</CODE> -<DD> -<A NAME="IDX45"></A> +<DD><A NAME="IDX65"></A> Insert the first argument to the previous command (usually -the second word on the previous line). With an argument <VAR>n</VAR>, +the second word on the previous line) at point. +With an argument <VAR>n</VAR>, insert the <VAR>n</VAR>th word from the previous command (the words in the previous command begin with word 0). A negative argument inserts the <VAR>n</VAR>th word from the end of the previous command. +<P> -<DT><CODE>yank-last-arg (M-., M-_)</CODE> -<DD> -<A NAME="IDX46"></A> +<A NAME="IDX66"></A> +<DT><CODE>yank-last-arg (M-. or M-_)</CODE> +<DD><A NAME="IDX67"></A> Insert last argument to the previous command (the last word of the previous history entry). With an argument, behave exactly like <CODE>yank-nth-arg</CODE>. Successive calls to <CODE>yank-last-arg</CODE> move back through the history list, inserting the last argument of each line in turn. +<P> </DL> +<P> - - -<H3><A NAME="SEC16" HREF="readline.html#TOC16">Commands For Changing Text</A></H3> +<A NAME="Commands For Text"></A> +<HR SIZE="6"> +<A NAME="SEC16"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC15"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC17"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC17"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC13"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC22"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 1.4.3 Commands For Changing Text </H3> +<!--docid::SEC16::--> +<P> <DL COMPACT> - +<A NAME="IDX68"></A> <DT><CODE>delete-char (C-d)</CODE> -<DD> -<A NAME="IDX47"></A> -Delete the character under the cursor. If the cursor is at the +<DD><A NAME="IDX69"></A> +Delete the character at point. If point is at the beginning of the line, there are no characters in the line, and the last character typed was not bound to <CODE>delete-char</CODE>, then -return <CODE>EOF</CODE>. +return EOF. +<P> +<A NAME="IDX70"></A> <DT><CODE>backward-delete-char (Rubout)</CODE> -<DD> -<A NAME="IDX48"></A> +<DD><A NAME="IDX71"></A> Delete the character behind the cursor. A numeric argument means to kill the characters instead of deleting them. +<P> +<A NAME="IDX72"></A> <DT><CODE>forward-backward-delete-char ()</CODE> -<DD> -<A NAME="IDX49"></A> +<DD><A NAME="IDX73"></A> Delete the character under the cursor, unless the cursor is at the end of the line, in which case the character behind the cursor is deleted. By default, this is not bound to a key. +<P> -<DT><CODE>quoted-insert (C-q, C-v)</CODE> -<DD> -<A NAME="IDX50"></A> +<A NAME="IDX74"></A> +<DT><CODE>quoted-insert (C-q or C-v)</CODE> +<DD><A NAME="IDX75"></A> Add the next character typed to the line verbatim. This is how to insert key sequences like <KBD>C-q</KBD>, for example. +<P> -<DT><CODE>tab-insert (M-TAB)</CODE> -<DD> -<A NAME="IDX51"></A> +<A NAME="IDX76"></A> +<DT><CODE>tab-insert (M-<KBD>TAB</KBD>)</CODE> +<DD><A NAME="IDX77"></A> Insert a tab character. +<P> -<DT><CODE>self-insert (a, b, A, 1, !, ...)</CODE> -<DD> -<A NAME="IDX52"></A> +<A NAME="IDX78"></A> +<DT><CODE>self-insert (a, b, A, 1, !, <small>...</small>)</CODE> +<DD><A NAME="IDX79"></A> Insert yourself. +<P> +<A NAME="IDX80"></A> <DT><CODE>transpose-chars (C-t)</CODE> -<DD> -<A NAME="IDX53"></A> +<DD><A NAME="IDX81"></A> Drag the character before the cursor forward over the character at the cursor, moving the cursor forward as well. If the insertion point is at the end of the line, then this transposes the last two characters of the line. Negative arguments have no effect. +<P> +<A NAME="IDX82"></A> <DT><CODE>transpose-words (M-t)</CODE> -<DD> -<A NAME="IDX54"></A> +<DD><A NAME="IDX83"></A> Drag the word before point past the word after point, moving point past that word as well. +If the insertion point is at the end of the line, this transposes +the last two words on the line. +<P> +<A NAME="IDX84"></A> <DT><CODE>upcase-word (M-u)</CODE> -<DD> -<A NAME="IDX55"></A> +<DD><A NAME="IDX85"></A> Uppercase the current (or following) word. With a negative argument, uppercase the previous word, but do not move the cursor. +<P> +<A NAME="IDX86"></A> <DT><CODE>downcase-word (M-l)</CODE> -<DD> -<A NAME="IDX56"></A> +<DD><A NAME="IDX87"></A> Lowercase the current (or following) word. With a negative argument, lowercase the previous word, but do not move the cursor. +<P> +<A NAME="IDX88"></A> <DT><CODE>capitalize-word (M-c)</CODE> -<DD> -<A NAME="IDX57"></A> +<DD><A NAME="IDX89"></A> Capitalize the current (or following) word. With a negative argument, capitalize the previous word, but do not move the cursor. +<P> -</DL> +<A NAME="IDX90"></A> +<DT><CODE>overwrite-mode ()</CODE> +<DD><A NAME="IDX91"></A> +Toggle overwrite mode. With an explicit positive numeric argument, +switches to overwrite mode. With an explicit non-positive numeric +argument, switches to insert mode. This command affects only +<CODE>emacs</CODE> mode; <CODE>vi</CODE> mode does overwrite differently. +Each call to <CODE>readline()</CODE> starts in insert mode. +<P> +In overwrite mode, characters bound to <CODE>self-insert</CODE> replace +the text at point rather than pushing the text to the right. +Characters bound to <CODE>backward-delete-char</CODE> replace the character +before point with a space. +</P><P> +By default, this command is unbound. +</P><P> -<H3><A NAME="SEC17" HREF="readline.html#TOC17">Killing And Yanking</A></H3> +</DL> +<P> + +<A NAME="Commands For Killing"></A> +<HR SIZE="6"> +<A NAME="SEC17"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC16"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC18"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC18"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC13"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC22"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 1.4.4 Killing And Yanking </H3> +<!--docid::SEC17::--> +<P> <DL COMPACT> +<A NAME="IDX92"></A> <DT><CODE>kill-line (C-k)</CODE> -<DD> -<A NAME="IDX58"></A> +<DD><A NAME="IDX93"></A> Kill the text from point to the end of the line. +<P> +<A NAME="IDX94"></A> <DT><CODE>backward-kill-line (C-x Rubout)</CODE> -<DD> -<A NAME="IDX59"></A> +<DD><A NAME="IDX95"></A> Kill backward to the beginning of the line. +<P> +<A NAME="IDX96"></A> <DT><CODE>unix-line-discard (C-u)</CODE> -<DD> -<A NAME="IDX60"></A> +<DD><A NAME="IDX97"></A> Kill backward from the cursor to the beginning of the current line. +<P> +<A NAME="IDX98"></A> <DT><CODE>kill-whole-line ()</CODE> -<DD> -<A NAME="IDX61"></A> -Kill all characters on the current line, no matter point is. +<DD><A NAME="IDX99"></A> +Kill all characters on the current line, no matter where point is. By default, this is unbound. +<P> +<A NAME="IDX100"></A> <DT><CODE>kill-word (M-d)</CODE> -<DD> -<A NAME="IDX62"></A> +<DD><A NAME="IDX101"></A> Kill from point to the end of the current word, or if between words, to the end of the next word. Word boundaries are the same as <CODE>forward-word</CODE>. +<P> -<DT><CODE>backward-kill-word (M-DEL)</CODE> -<DD> -<A NAME="IDX63"></A> +<A NAME="IDX102"></A> +<DT><CODE>backward-kill-word (M-<KBD>DEL</KBD>)</CODE> +<DD><A NAME="IDX103"></A> Kill the word behind point. Word boundaries are the same as <CODE>backward-word</CODE>. +<P> +<A NAME="IDX104"></A> <DT><CODE>unix-word-rubout (C-w)</CODE> -<DD> -<A NAME="IDX64"></A> +<DD><A NAME="IDX105"></A> Kill the word behind point, using white space as a word boundary. The killed text is saved on the kill-ring. +<P> +<A NAME="IDX106"></A> <DT><CODE>delete-horizontal-space ()</CODE> -<DD> -<A NAME="IDX65"></A> +<DD><A NAME="IDX107"></A> Delete all spaces and tabs around point. By default, this is unbound. +<P> +<A NAME="IDX108"></A> <DT><CODE>kill-region ()</CODE> -<DD> -<A NAME="IDX66"></A> +<DD><A NAME="IDX109"></A> Kill the text in the current region. By default, this command is unbound. +<P> +<A NAME="IDX110"></A> <DT><CODE>copy-region-as-kill ()</CODE> -<DD> -<A NAME="IDX67"></A> +<DD><A NAME="IDX111"></A> Copy the text in the region to the kill buffer, so it can be yanked right away. By default, this command is unbound. +<P> +<A NAME="IDX112"></A> <DT><CODE>copy-backward-word ()</CODE> -<DD> -<A NAME="IDX68"></A> +<DD><A NAME="IDX113"></A> Copy the word before point to the kill buffer. The word boundaries are the same as <CODE>backward-word</CODE>. By default, this command is unbound. +<P> +<A NAME="IDX114"></A> <DT><CODE>copy-forward-word ()</CODE> -<DD> -<A NAME="IDX69"></A> +<DD><A NAME="IDX115"></A> Copy the word following point to the kill buffer. The word boundaries are the same as <CODE>forward-word</CODE>. By default, this command is unbound. +<P> +<A NAME="IDX116"></A> <DT><CODE>yank (C-y)</CODE> -<DD> -<A NAME="IDX70"></A> -Yank the top of the kill ring into the buffer at the current -cursor position. +<DD><A NAME="IDX117"></A> +Yank the top of the kill ring into the buffer at point. +<P> +<A NAME="IDX118"></A> <DT><CODE>yank-pop (M-y)</CODE> -<DD> -<A NAME="IDX71"></A> +<DD><A NAME="IDX119"></A> Rotate the kill-ring, and yank the new top. You can only do this if -the prior command is yank or yank-pop. -</DL> - - - -<H3><A NAME="SEC18" HREF="readline.html#TOC18">Specifying Numeric Arguments</A></H3> +the prior command is <CODE>yank</CODE> or <CODE>yank-pop</CODE>. +</DL> +<P> + +<A NAME="Numeric Arguments"></A> +<HR SIZE="6"> +<A NAME="SEC18"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC17"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC19"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC19"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC13"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC22"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 1.4.5 Specifying Numeric Arguments </H3> +<!--docid::SEC18::--> <DL COMPACT> -<DT><CODE>digit-argument (M-0, M-1, ... M--)</CODE> -<DD> -<A NAME="IDX72"></A> +<A NAME="IDX120"></A> +<DT><CODE>digit-argument (<KBD>M-0</KBD>, <KBD>M-1</KBD>, <small>...</small> <KBD>M--</KBD>)</CODE> +<DD><A NAME="IDX121"></A> Add this digit to the argument already accumulating, or start a new argument. <KBD>M--</KBD> starts a negative argument. +<P> +<A NAME="IDX122"></A> <DT><CODE>universal-argument ()</CODE> -<DD> -<A NAME="IDX73"></A> +<DD><A NAME="IDX123"></A> This is another way to specify an argument. If this command is followed by one or more digits, optionally with a leading minus sign, those digits define the argument. @@ -1381,321 +1628,453 @@ first time makes the argument count four, a second time makes the argument count sixteen, and so on. By default, this is not bound to a key. </DL> +<P> - - -<H3><A NAME="SEC19" HREF="readline.html#TOC19">Letting Readline Type For You</A></H3> +<A NAME="Commands For Completion"></A> +<HR SIZE="6"> +<A NAME="SEC19"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC18"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC20"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC20"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC13"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC22"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 1.4.6 Letting Readline Type For You </H3> +<!--docid::SEC19::--> +<P> <DL COMPACT> +<A NAME="IDX124"></A> +<DT><CODE>complete (<KBD>TAB</KBD>)</CODE> +<DD><A NAME="IDX125"></A> +Attempt to perform completion on the text before point. +The actual completion performed is application-specific. +The default is filename completion. +<P> -<DT><CODE>complete (TAB)</CODE> -<DD> -<A NAME="IDX74"></A> -Attempt to do completion on the text before the cursor. This is -application-specific. Generally, if you are typing a filename -argument, you can do filename completion; if you are typing a command, -you can do command completion; if you are typing in a symbol to GDB, you -can do symbol name completion; if you are typing in a variable to Bash, -you can do variable name completion, and so on. - +<A NAME="IDX126"></A> <DT><CODE>possible-completions (M-?)</CODE> -<DD> -<A NAME="IDX75"></A> -List the possible completions of the text before the cursor. +<DD><A NAME="IDX127"></A> +List the possible completions of the text before point. +<P> +<A NAME="IDX128"></A> <DT><CODE>insert-completions (M-*)</CODE> -<DD> -<A NAME="IDX76"></A> +<DD><A NAME="IDX129"></A> Insert all completions of the text before point that would have been generated by <CODE>possible-completions</CODE>. +<P> +<A NAME="IDX130"></A> <DT><CODE>menu-complete ()</CODE> -<DD> -<A NAME="IDX77"></A> +<DD><A NAME="IDX131"></A> Similar to <CODE>complete</CODE>, but replaces the word to be completed with a single match from the list of possible completions. Repeated execution of <CODE>menu-complete</CODE> steps through the list of possible completions, inserting each match in turn. -At the end of the list of completions, the bell is rung and the -original text is restored. +At the end of the list of completions, the bell is rung +(subject to the setting of <CODE>bell-style</CODE>) +and the original text is restored. An argument of <VAR>n</VAR> moves <VAR>n</VAR> positions forward in the list of matches; a negative argument may be used to move backward through the list. -This command is intended to be bound to <CODE>TAB</CODE>, but is unbound +This command is intended to be bound to <KBD>TAB</KBD>, but is unbound by default. +<P> +<A NAME="IDX132"></A> <DT><CODE>delete-char-or-list ()</CODE> -<DD> -<A NAME="IDX78"></A> +<DD><A NAME="IDX133"></A> Deletes the character under the cursor if not at the beginning or end of the line (like <CODE>delete-char</CODE>). If at the end of the line, behaves identically to <CODE>possible-completions</CODE>. This command is unbound by default. +<P> </DL> +<P> - - -<H3><A NAME="SEC20" HREF="readline.html#TOC20">Keyboard Macros</A></H3> +<A NAME="Keyboard Macros"></A> +<HR SIZE="6"> +<A NAME="SEC20"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC19"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC21"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC21"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC13"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC22"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 1.4.7 Keyboard Macros </H3> +<!--docid::SEC20::--> <DL COMPACT> +<A NAME="IDX134"></A> <DT><CODE>start-kbd-macro (C-x ()</CODE> -<DD> -<A NAME="IDX79"></A> +<DD><A NAME="IDX135"></A> Begin saving the characters typed into the current keyboard macro. +<P> +<A NAME="IDX136"></A> <DT><CODE>end-kbd-macro (C-x ))</CODE> -<DD> -<A NAME="IDX80"></A> +<DD><A NAME="IDX137"></A> Stop saving the characters typed into the current keyboard macro and save the definition. +<P> +<A NAME="IDX138"></A> <DT><CODE>call-last-kbd-macro (C-x e)</CODE> -<DD> -<A NAME="IDX81"></A> +<DD><A NAME="IDX139"></A> Re-execute the last keyboard macro defined, by making the characters in the macro appear as if typed at the keyboard. +<P> </DL> +<P> - - -<H3><A NAME="SEC21" HREF="readline.html#TOC21">Some Miscellaneous Commands</A></H3> +<A NAME="Miscellaneous Commands"></A> +<HR SIZE="6"> +<A NAME="SEC21"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC20"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC22"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC22"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC13"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC22"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 1.4.8 Some Miscellaneous Commands </H3> +<!--docid::SEC21::--> <DL COMPACT> +<A NAME="IDX140"></A> <DT><CODE>re-read-init-file (C-x C-r)</CODE> -<DD> -<A NAME="IDX82"></A> +<DD><A NAME="IDX141"></A> Read in the contents of the <VAR>inputrc</VAR> file, and incorporate any bindings or variable assignments found there. +<P> +<A NAME="IDX142"></A> <DT><CODE>abort (C-g)</CODE> -<DD> -<A NAME="IDX83"></A> +<DD><A NAME="IDX143"></A> Abort the current editing command and ring the terminal's bell (subject to the setting of <CODE>bell-style</CODE>). +<P> -<DT><CODE>do-uppercase-version (M-a, M-b, M-<VAR>x</VAR>, ...)</CODE> -<DD> -<A NAME="IDX84"></A> +<A NAME="IDX144"></A> +<DT><CODE>do-uppercase-version (M-a, M-b, M-<VAR>x</VAR>, <small>...</small>)</CODE> +<DD><A NAME="IDX145"></A> If the metafied character <VAR>x</VAR> is lowercase, run the command that is bound to the corresponding uppercase character. +<P> -<DT><CODE>prefix-meta (ESC)</CODE> -<DD> -<A NAME="IDX85"></A> -Make the next character typed be metafied. This is for keyboards -without a meta key. Typing <SAMP>`ESC f'</SAMP> is equivalent to typing -<SAMP>`M-f'</SAMP>. +<A NAME="IDX146"></A> +<DT><CODE>prefix-meta (<KBD>ESC</KBD>)</CODE> +<DD><A NAME="IDX147"></A> +Metafy the next character typed. This is for keyboards +without a meta key. Typing <SAMP>`<KBD>ESC</KBD> f'</SAMP> is equivalent to typing +<KBD>M-f</KBD>. +<P> -<DT><CODE>undo (C-_, C-x C-u)</CODE> -<DD> -<A NAME="IDX86"></A> +<A NAME="IDX148"></A> +<DT><CODE>undo (C-_ or C-x C-u)</CODE> +<DD><A NAME="IDX149"></A> Incremental undo, separately remembered for each line. +<P> +<A NAME="IDX150"></A> <DT><CODE>revert-line (M-r)</CODE> -<DD> -<A NAME="IDX87"></A> +<DD><A NAME="IDX151"></A> Undo all changes made to this line. This is like executing the <CODE>undo</CODE> command enough times to get back to the beginning. +<P> +<A NAME="IDX152"></A> <DT><CODE>tilde-expand (M-~)</CODE> -<DD> -<A NAME="IDX88"></A> +<DD><A NAME="IDX153"></A> Perform tilde expansion on the current word. +<P> +<A NAME="IDX154"></A> <DT><CODE>set-mark (C-@)</CODE> -<DD> -<A NAME="IDX89"></A> -Set the mark to the current point. If a +<DD><A NAME="IDX155"></A> +Set the mark to the point. If a numeric argument is supplied, the mark is set to that position. +<P> +<A NAME="IDX156"></A> <DT><CODE>exchange-point-and-mark (C-x C-x)</CODE> -<DD> -<A NAME="IDX90"></A> +<DD><A NAME="IDX157"></A> Swap the point with the mark. The current cursor position is set to the saved position, and the old cursor position is saved as the mark. +<P> +<A NAME="IDX158"></A> <DT><CODE>character-search (C-])</CODE> -<DD> -<A NAME="IDX91"></A> +<DD><A NAME="IDX159"></A> A character is read and point is moved to the next occurrence of that character. A negative count searches for previous occurrences. +<P> +<A NAME="IDX160"></A> <DT><CODE>character-search-backward (M-C-])</CODE> -<DD> -<A NAME="IDX92"></A> +<DD><A NAME="IDX161"></A> A character is read and point is moved to the previous occurrence of that character. A negative count searches for subsequent occurrences. +<P> +<A NAME="IDX162"></A> <DT><CODE>insert-comment (M-#)</CODE> -<DD> -<A NAME="IDX93"></A> -The value of the <CODE>comment-begin</CODE> -variable is inserted at the beginning of the current line, -and the line is accepted as if a newline had been typed. +<DD><A NAME="IDX163"></A> +Without a numeric argument, the value of the <CODE>comment-begin</CODE> +variable is inserted at the beginning of the current line. +If a numeric argument is supplied, this command acts as a toggle: if +the characters at the beginning of the line do not match the value +of <CODE>comment-begin</CODE>, the value is inserted, otherwise +the characters in <CODE>comment-begin</CODE> are deleted from the beginning of +the line. +In either case, the line is accepted as if a newline had been typed. +<P> +<A NAME="IDX164"></A> <DT><CODE>dump-functions ()</CODE> -<DD> -<A NAME="IDX94"></A> +<DD><A NAME="IDX165"></A> Print all of the functions and their key bindings to the Readline output stream. If a numeric argument is supplied, the output is formatted in such a way that it can be made part of an <VAR>inputrc</VAR> file. This command is unbound by default. +<P> +<A NAME="IDX166"></A> <DT><CODE>dump-variables ()</CODE> -<DD> -<A NAME="IDX95"></A> +<DD><A NAME="IDX167"></A> Print all of the settable variables and their values to the Readline output stream. If a numeric argument is supplied, the output is formatted in such a way that it can be made part of an <VAR>inputrc</VAR> file. This command is unbound by default. +<P> +<A NAME="IDX168"></A> <DT><CODE>dump-macros ()</CODE> -<DD> -<A NAME="IDX96"></A> +<DD><A NAME="IDX169"></A> Print all of the Readline key sequences bound to macros and the -strings they ouput. If a numeric argument is supplied, +strings they output. If a numeric argument is supplied, the output is formatted in such a way that it can be made part of an <VAR>inputrc</VAR> file. This command is unbound by default. +<P> -</DL> - +<A NAME="IDX170"></A> +<DT><CODE>emacs-editing-mode (C-e)</CODE> +<DD><A NAME="IDX171"></A> +When in <CODE>vi</CODE> command mode, this causes a switch to <CODE>emacs</CODE> +editing mode. +<P> +<A NAME="IDX172"></A> +<DT><CODE>vi-editing-mode (M-C-j)</CODE> +<DD><A NAME="IDX173"></A> +When in <CODE>emacs</CODE> editing mode, this causes a switch to <CODE>vi</CODE> +editing mode. +<P> -<H2><A NAME="SEC22" HREF="readline.html#TOC22">Readline vi Mode</A></H2> +</DL> +<P> +<A NAME="Readline vi Mode"></A> +<HR SIZE="6"> +<A NAME="SEC22"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC21"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC23"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[ << ]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC1"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC23"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H2> 1.5 Readline vi Mode </H2> +<!--docid::SEC22::--> <P> + While the Readline library does not have a full set of <CODE>vi</CODE> editing functions, it does contain enough to allow simple editing of the line. The Readline <CODE>vi</CODE> mode behaves as specified in the POSIX 1003.2 standard. +</P><P> -</P> -<P> In order to switch interactively between <CODE>emacs</CODE> and <CODE>vi</CODE> -editing modes, use the command M-C-j (toggle-editing-mode). +editing modes, use the command <KBD>M-C-j</KBD> (bound to emacs-editing-mode +when in <CODE>vi</CODE> mode and to vi-editing-mode in <CODE>emacs</CODE> mode). The Readline default is <CODE>emacs</CODE> mode. +</P><P> -</P> -<P> When you enter a line in <CODE>vi</CODE> mode, you are already placed in `insertion' mode, as if you had typed an <SAMP>`i'</SAMP>. Pressing <KBD>ESC</KBD> switches you into `command' mode, where you can edit the text of the line with the standard <CODE>vi</CODE> movement keys, move to previous history lines with <SAMP>`k'</SAMP> and subsequent lines with <SAMP>`j'</SAMP>, and so forth. +</P><P> -</P> +This document describes the GNU Readline Library, a utility for aiding +in the consitency of user interface across discrete programs that need +to provide a command line interface. +</P><P> +Copyright (C) 1988-2002 Free Software Foundation, Inc. +</P><P> +Permission is granted to make and distribute verbatim copies of +this manual provided the copyright notice and this permission notice +pare preserved on all copies. +</P><P> -<H1><A NAME="SEC23" HREF="readline.html#TOC23">Programming with GNU Readline</A></H1> +Permission is granted to copy and distribute modified versions of this +manual under the conditions for verbatim copying, provided that the entire +resulting derived work is distributed under the terms of a permission +notice identical to this one. +</P><P> +Permission is granted to copy and distribute translations of this manual +into another language, under the above conditions for modified versions, +except that this permission notice may be stated in a translation approved +by the Foundation. +</P><P> + +<A NAME="Programming with GNU Readline"></A> +<HR SIZE="6"> +<A NAME="SEC23"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC22"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC24"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[ << ]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H1> 2. Programming with GNU Readline </H1> +<!--docid::SEC23::--> <P> + This chapter describes the interface between the GNU Readline Library and other programs. If you are a programmer, and you wish to include the features found in GNU Readline such as completion, line editing, and interactive history manipulation in your own programs, this section is for you. - -</P> - -<UL> -<LI><A HREF="readline.html#SEC24">Basic Behavior</A>: Using the default behavior of Readline. -<LI><A HREF="readline.html#SEC25">Custom Functions</A>: Adding your own functions to Readline. -<LI><A HREF="readline.html#SEC28">Readline Variables</A>: Variables accessible to custom - functions. -<LI><A HREF="readline.html#SEC29">Readline Convenience Functions</A>: Functions which Readline supplies to +</P><P> + +<BLOCKQUOTE><TABLE BORDER=0 CELLSPACING=0> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC24">2.1 Basic Behavior</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Using the default behavior of Readline.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC25">2.2 Custom Functions</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Adding your own functions to Readline.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Variables accessible to custom + functions.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC29">2.4 Readline Convenience Functions</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Functions which Readline supplies to aid in writing your own custom - functions. -<LI><A HREF="readline.html#SEC40">Readline Signal Handling</A>: How Readline behaves when it receives signals. -<LI><A HREF="readline.html#SEC41">Custom Completers</A>: Supplanting or supplementing Readline's - completion functions. -</UL> - - - -<H2><A NAME="SEC24" HREF="readline.html#TOC24">Basic Behavior</A></H2> - + functions.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC43">2.5 Readline Signal Handling</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">How Readline behaves when it receives signals.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC44">2.6 Custom Completers</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Supplanting or supplementing Readline's + completion functions.</TD></TR> +</TABLE></BLOCKQUOTE> +<P> + +<A NAME="Basic Behavior"></A> +<HR SIZE="6"> +<A NAME="SEC24"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC23"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC25"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[ << ]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC23"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H2> 2.1 Basic Behavior </H2> +<!--docid::SEC24::--> <P> + Many programs provide a command line interface, such as <CODE>mail</CODE>, <CODE>ftp</CODE>, and <CODE>sh</CODE>. For such programs, the default behaviour of Readline is sufficient. This section describes how to use Readline in the simplest way possible, perhaps to replace calls in your code to -<CODE>gets()</CODE> or <CODE>fgets ()</CODE>. +<CODE>gets()</CODE> or <CODE>fgets()</CODE>. +</P><P> -</P> -<P> -<A NAME="IDX97"></A> -<A NAME="IDX98"></A> -The function <CODE>readline ()</CODE> prints a prompt and then reads and returns -a single line of text from the user. The line <CODE>readline</CODE> -returns is allocated with <CODE>malloc ()</CODE>; you should <CODE>free ()</CODE> -the line when you are done with it. The declaration for <CODE>readline</CODE> -in ANSI C is +<A NAME="IDX174"></A> +<A NAME="IDX175"></A> +</P><P> -</P> +The function <CODE>readline()</CODE> prints a prompt <VAR>prompt</VAR> +and then reads and returns a single line of text from the user. +If <VAR>prompt</VAR> is <CODE>NULL</CODE> or the empty string, no prompt is displayed. +The line <CODE>readline</CODE> returns is allocated with <CODE>malloc()</CODE>; +the caller should <CODE>free()</CODE> the line when it has finished with it. +The declaration for <CODE>readline</CODE> in ANSI C is +</P><P> -<PRE> -<CODE>char *readline (char *<VAR>prompt</VAR>);</CODE> -</PRE> +<TABLE><tr><td> </td><td class=example><pre><CODE>char *readline (const char *<VAR>prompt</VAR>);</CODE> +</pre></td></tr></table></P><P> -<P> So, one might say - -<PRE> -<CODE>char *line = readline ("Enter a line: ");</CODE> -</PRE> - -<P> -in order to read a line of text from the user. +<TABLE><tr><td> </td><td class=example><pre><CODE>char *line = readline ("Enter a line: ");</CODE> +</pre></td></tr></table>in order to read a line of text from the user. The line returned has the final newline removed, so only the text remains. +</P><P> -</P> -<P> If <CODE>readline</CODE> encounters an <CODE>EOF</CODE> while reading the line, and the line is empty at that point, then <CODE>(char *)NULL</CODE> is returned. Otherwise, the line is ended just as if a newline had been typed. +</P><P> -</P> -<P> If you want the user to be able to get at the line later, (with -<KBD>C-p</KBD> for example), you must call <CODE>add_history ()</CODE> to save the +<KBD>C-p</KBD> for example), you must call <CODE>add_history()</CODE> to save the line away in a <EM>history</EM> list of such lines. +</P><P> -</P> - -<PRE> -<CODE>add_history (line)</CODE>; -</PRE> +<TABLE><tr><td> </td><td class=example><pre><CODE>add_history (line)</CODE>; +</pre></td></tr></table></P><P> -<P> For full details on the GNU History Library, see the associated manual. +</P><P> -</P> -<P> It is preferable to avoid saving empty lines on the history list, since users rarely have a burning need to reuse a blank line. Here is -a function which usefully replaces the standard <CODE>gets ()</CODE> library +a function which usefully replaces the standard <CODE>gets()</CODE> library function, and has the advantage of no static buffer to overflow: +</P><P> -</P> - -<PRE> -/* A static variable for holding the line. */ +<TABLE><tr><td> </td><td class=example><pre>/* A static variable for holding the line. */ static char *line_read = (char *)NULL; -/* Read a string, and return a pointer to it. Returns NULL on EOF. */ +/* Read a string, and return a pointer to it. + Returns NULL on EOF. */ char * rl_gets () { - /* If the buffer has already been allocated, return the memory - to the free pool. */ + /* If the buffer has already been allocated, + return the memory to the free pool. */ if (line_read) { free (line_read); @@ -1705,150 +2084,222 @@ rl_gets () /* Get a line from the user. */ line_read = readline (""); - /* If the line has any text in it, save it on the history. */ + /* If the line has any text in it, + save it on the history. */ if (line_read && *line_read) add_history (line_read); return (line_read); } -</PRE> +</pre></td></tr></table></P><P> -<P> This function gives the user the default behaviour of <KBD>TAB</KBD> completion: completion on file names. If you do not want Readline to complete on filenames, you can change the binding of the <KBD>TAB</KBD> key -with <CODE>rl_bind_key ()</CODE>. +with <CODE>rl_bind_key()</CODE>. +</P><P> -</P> +<TABLE><tr><td> </td><td class=example><pre><CODE>int rl_bind_key (int <VAR>key</VAR>, rl_command_func_t *<VAR>function</VAR>);</CODE> +</pre></td></tr></table></P><P> -<PRE> -<CODE>int rl_bind_key (int <VAR>key</VAR>, int (*<VAR>function</VAR>)());</CODE> -</PRE> - -<P> -<CODE>rl_bind_key ()</CODE> takes two arguments: <VAR>key</VAR> is the character that +<CODE>rl_bind_key()</CODE> takes two arguments: <VAR>key</VAR> is the character that you want to bind, and <VAR>function</VAR> is the address of the function to -call when <VAR>key</VAR> is pressed. Binding <KBD>TAB</KBD> to <CODE>rl_insert ()</CODE> +call when <VAR>key</VAR> is pressed. Binding <KBD>TAB</KBD> to <CODE>rl_insert()</CODE> makes <KBD>TAB</KBD> insert itself. -<CODE>rl_bind_key ()</CODE> returns non-zero if <VAR>key</VAR> is not a valid +<CODE>rl_bind_key()</CODE> returns non-zero if <VAR>key</VAR> is not a valid ASCII character code (between 0 and 255). +</P><P> -</P> -<P> Thus, to disable the default <KBD>TAB</KBD> behavior, the following suffices: +<TABLE><tr><td> </td><td class=example><pre><CODE>rl_bind_key ('\t', rl_insert);</CODE> +</pre></td></tr></table></P><P> -<PRE> -<CODE>rl_bind_key ('\t', rl_insert);</CODE> -</PRE> - -<P> This code should be executed once at the start of your program; you -might write a function called <CODE>initialize_readline ()</CODE> which +might write a function called <CODE>initialize_readline()</CODE> which performs this and other desired initializations, such as installing -custom completers (see section <A HREF="readline.html#SEC41">Custom Completers</A>). - -</P> - - -<H2><A NAME="SEC25" HREF="readline.html#TOC25">Custom Functions</A></H2> - +custom completers (see section <A HREF="readline.html#SEC44">2.6 Custom Completers</A>). +</P><P> + +<A NAME="Custom Functions"></A> +<HR SIZE="6"> +<A NAME="SEC25"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC24"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC26"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC28"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC23"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC28"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H2> 2.2 Custom Functions </H2> +<!--docid::SEC25::--> <P> + Readline provides many functions for manipulating the text of the line, but it isn't possible to anticipate the needs of all programs. This section describes the various functions and variables defined within the Readline library which allow a user program to add customized functionality to Readline. +</P><P> -</P> -<P> Before declaring any functions that customize Readline's behavior, or using any functionality Readline provides in other code, an application writer should include the file <CODE><readline/readline.h></CODE> in any file that uses Readline's features. Since some of the definitions in <CODE>readline.h</CODE> use the <CODE>stdio</CODE> library, the file <CODE><stdio.h></CODE> should be included before <CODE>readline.h</CODE>. +</P><P> + +<CODE>readline.h</CODE> defines a C preprocessor variable that should +be treated as an integer, <CODE>RL_READLINE_VERSION</CODE>, which may +be used to conditionally compile application code depending on +the installed Readline version. The value is a hexadecimal +encoding of the major and minor version numbers of the library, +of the form 0x<VAR>MMmm</VAR>. <VAR>MM</VAR> is the two-digit major +version number; <VAR>mm</VAR> is the two-digit minor version number. +For Readline 4.2, for example, the value of +<CODE>RL_READLINE_VERSION</CODE> would be <CODE>0x0402</CODE>. +</P><P> + +<BLOCKQUOTE><TABLE BORDER=0 CELLSPACING=0> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC26">2.2.1 Readline Typedefs</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">C declarations to make code readable.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC27">2.2.2 Writing a New Function</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Variables and calling conventions.</TD></TR> +</TABLE></BLOCKQUOTE> +<P> + +<A NAME="Readline Typedefs"></A> +<HR SIZE="6"> +<A NAME="SEC26"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC25"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC27"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC28"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC25"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC28"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 2.2.1 Readline Typedefs </H3> +<!--docid::SEC26::--> +<P> + +For readabilty, we declare a number of new object types, all pointers +to functions. +</P><P> + +The reason for declaring these new types is to make it easier to write +code describing pointers to C functions with appropriately prototyped +arguments and return values. +</P><P> + +For instance, say we want to declare a variable <VAR>func</VAR> as a pointer +to a function which takes two <CODE>int</CODE> arguments and returns an +<CODE>int</CODE> (this is the type of all of the Readline bindable functions). +Instead of the classic C declaration +</P><P> + +<CODE>int (*func)();</CODE> +</P><P> + +or the ANSI-C style declaration +</P><P> + +<CODE>int (*func)(int, int);</CODE> +</P><P> -</P> +we may write +</P><P> -<UL> -<LI><A HREF="readline.html#SEC26">The Function Type</A>: C declarations to make code readable. -<LI><A HREF="readline.html#SEC27">Function Writing</A>: Variables and calling conventions. -</UL> +<CODE>rl_command_func_t *func;</CODE> +</P><P> +The full list of function pointer types available is +</P><P> +<DL COMPACT> +<DT><CODE>typedef int rl_command_func_t (int, int);</CODE> +<DD><P> -<H3><A NAME="SEC26" HREF="readline.html#TOC26">The Function Type</A></H3> +<DT><CODE>typedef char *rl_compentry_func_t (const char *, int);</CODE> +<DD><P> -<P> -For readabilty, we declare a new type of object, called -<EM>Function</EM>. A <CODE>Function</CODE> is a C function which -returns an <CODE>int</CODE>. The type declaration for <CODE>Function</CODE> is: +<DT><CODE>typedef char **rl_completion_func_t (const char *, int, int);</CODE> +<DD><P> -</P> -<P> -<CODE>typedef int Function ();</CODE> +<DT><CODE>typedef char *rl_quote_func_t (char *, int, char *);</CODE> +<DD><P> -</P> -<P> -The reason for declaring this new type is to make it easier to write -code describing pointers to C functions. Let us say we had a variable -called <VAR>func</VAR> which was a pointer to a function. Instead of the -classic C declaration +<DT><CODE>typedef char *rl_dequote_func_t (char *, int);</CODE> +<DD><P> -</P> -<P> -<CODE>int (*)()func;</CODE> +<DT><CODE>typedef int rl_compignore_func_t (char **);</CODE> +<DD><P> -</P> -<P> -we may write +<DT><CODE>typedef void rl_compdisp_func_t (char **, int, int);</CODE> +<DD><P> -</P> -<P> -<CODE>Function *func;</CODE> +<DT><CODE>typedef int rl_hook_func_t (void);</CODE> +<DD><P> -</P> -<P> -Similarly, there are - -</P> +<DT><CODE>typedef int rl_getc_func_t (FILE *);</CODE> +<DD><P> -<PRE> -typedef void VFunction (); -typedef char *CPFunction (); and -typedef char **CPPFunction (); -</PRE> +<DT><CODE>typedef int rl_linebuf_func_t (char *, int);</CODE> +<DD><P> -<P> -for functions returning no value, <CODE>pointer to char</CODE>, and -<CODE>pointer to pointer to char</CODE>, respectively. +<DT><CODE>typedef int rl_intfunc_t (int);</CODE> +<DD><DT><CODE>#define rl_ivoidfunc_t rl_hook_func_t</CODE> +<DD><DT><CODE>typedef int rl_icpfunc_t (char *);</CODE> +<DD><DT><CODE>typedef int rl_icppfunc_t (char **);</CODE> +<DD><P> -</P> +<DT><CODE>typedef void rl_voidfunc_t (void);</CODE> +<DD><DT><CODE>typedef void rl_vintfunc_t (int);</CODE> +<DD><DT><CODE>typedef void rl_vcpfunc_t (char *);</CODE> +<DD><DT><CODE>typedef void rl_vcppfunc_t (char **);</CODE> +<DD><P> +</DL> +<P> -<H3><A NAME="SEC27" HREF="readline.html#TOC27">Writing a New Function</A></H3> - +<A NAME="Function Writing"></A> +<HR SIZE="6"> +<A NAME="SEC27"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC26"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC28"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC28"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC25"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC28"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 2.2.2 Writing a New Function </H3> +<!--docid::SEC27::--> <P> + In order to write new functions for Readline, you need to know the calling conventions for keyboard-invoked functions, and the names of the variables that describe the current state of the line read so far. +</P><P> -</P> -<P> The calling sequence for a command <CODE>foo</CODE> looks like +</P><P> -</P> - -<PRE> -<CODE>foo (int count, int key)</CODE> -</PRE> +<TABLE><tr><td> </td><td class=example><pre><CODE>int foo (int count, int key)</CODE> +</pre></td></tr></table></P><P> -<P> where <VAR>count</VAR> is the numeric argument (or 1 if defaulted) and <VAR>key</VAR> is the key that invoked this function. +</P><P> -</P> -<P> It is completely up to the function as to what should be done with the numeric argument. Some functions use it as a repeat count, some as a flag, and others to choose alternate behavior (refreshing the current @@ -1858,98 +2309,126 @@ function uses the numeric argument as a repeat count, it should be able to do something useful with both negative and positive arguments. At the very least, it should be aware that it can be passed a negative argument. - -</P> - - -<H2><A NAME="SEC28" HREF="readline.html#TOC28">Readline Variables</A></H2> - +</P><P> + +A command function should return 0 if its action completes successfully, +and a non-zero value if some error occurs. +</P><P> + +<A NAME="Readline Variables"></A> +<HR SIZE="6"> +<A NAME="SEC28"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC27"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC29"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC29"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC23"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H2> 2.3 Readline Variables </H2> +<!--docid::SEC28::--> <P> + These variables are available to function writers. +</P><P> -</P> -<P> +<A NAME="IDX176"></A> <DL> <DT><U>Variable:</U> char * <B>rl_line_buffer</B> -<DD><A NAME="IDX99"></A> -This is the line gathered so far. You are welcome to modify the -contents of the line, but see section <A HREF="readline.html#SEC34">Allowing Undoing</A>. The +<DD>This is the line gathered so far. You are welcome to modify the +contents of the line, but see <A HREF="readline.html#SEC34">2.4.5 Allowing Undoing</A>. The function <CODE>rl_extend_line_buffer</CODE> is available to increase the memory allocated to <CODE>rl_line_buffer</CODE>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX177"></A> <DL> <DT><U>Variable:</U> int <B>rl_point</B> -<DD><A NAME="IDX100"></A> -The offset of the current cursor position in <CODE>rl_line_buffer</CODE> +<DD>The offset of the current cursor position in <CODE>rl_line_buffer</CODE> (the <EM>point</EM>). </DL> +</P><P> -</P> -<P> +<A NAME="IDX178"></A> <DL> <DT><U>Variable:</U> int <B>rl_end</B> -<DD><A NAME="IDX101"></A> -The number of characters present in <CODE>rl_line_buffer</CODE>. When +<DD>The number of characters present in <CODE>rl_line_buffer</CODE>. When <CODE>rl_point</CODE> is at the end of the line, <CODE>rl_point</CODE> and <CODE>rl_end</CODE> are equal. </DL> +</P><P> -</P> -<P> +<A NAME="IDX179"></A> <DL> <DT><U>Variable:</U> int <B>rl_mark</B> -<DD><A NAME="IDX102"></A> -The mark (saved position) in the current line. If set, the mark +<DD>The <VAR>mark</VAR> (saved position) in the current line. If set, the mark and point define a <EM>region</EM>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX180"></A> <DL> <DT><U>Variable:</U> int <B>rl_done</B> -<DD><A NAME="IDX103"></A> -Setting this to a non-zero value causes Readline to return the current +<DD>Setting this to a non-zero value causes Readline to return the current line immediately. </DL> +</P><P> -</P> -<P> +<A NAME="IDX181"></A> +<DL> +<DT><U>Variable:</U> int <B>rl_num_chars_to_read</B> +<DD>Setting this to a positive value before calling <CODE>readline()</CODE> causes +Readline to return after accepting that many characters, rather +than reading up to a character bound to <CODE>accept-line</CODE>. +</DL> +</P><P> + +<A NAME="IDX182"></A> <DL> <DT><U>Variable:</U> int <B>rl_pending_input</B> -<DD><A NAME="IDX104"></A> -Setting this to a value makes it the next keystroke read. This is a +<DD>Setting this to a value makes it the next keystroke read. This is a way to stuff a single character into the input stream. </DL> +</P><P> -</P> -<P> +<A NAME="IDX183"></A> +<DL> +<DT><U>Variable:</U> int <B>rl_dispatching</B> +<DD>Set to a non-zero value if a function is being called from a key binding; +zero otherwise. Application functions can test this to discover whether +they were called directly or by Readline's dispatching mechanism. +</DL> +</P><P> + +<A NAME="IDX184"></A> <DL> <DT><U>Variable:</U> int <B>rl_erase_empty_line</B> -<DD><A NAME="IDX105"></A> -Setting this to a non-zero value causes Readline to completely erase +<DD>Setting this to a non-zero value causes Readline to completely erase the current line, including any prompt, any time a newline is typed as the only character on an otherwise-empty line. The cursor is moved to the beginning of the newly-blank line. </DL> +</P><P> -</P> -<P> +<A NAME="IDX185"></A> <DL> <DT><U>Variable:</U> char * <B>rl_prompt</B> -<DD><A NAME="IDX106"></A> -The prompt Readline uses. This is set from the argument to -<CODE>readline ()</CODE>, and should not be assigned to directly. +<DD>The prompt Readline uses. This is set from the argument to +<CODE>readline()</CODE>, and should not be assigned to directly. +The <CODE>rl_set_prompt()</CODE> function (see section <A HREF="readline.html#SEC35">2.4.6 Redisplay</A>) may +be used to modify the prompt string after calling <CODE>readline()</CODE>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX186"></A> <DL> <DT><U>Variable:</U> int <B>rl_already_prompted</B> -<DD><A NAME="IDX107"></A> -If an application wishes to display the prompt itself, rather than have +<DD>If an application wishes to display the prompt itself, rather than have Readline do it the first time <CODE>readline()</CODE> is called, it should set this variable to a non-zero value after displaying the prompt. The prompt must also be passed as the argument to <CODE>readline()</CODE> so @@ -1957,896 +2436,1363 @@ the redisplay functions can update the display properly. The calling application is responsible for managing the value; Readline never sets it. </DL> +</P><P> -</P> -<P> +<A NAME="IDX187"></A> <DL> -<DT><U>Variable:</U> char * <B>rl_library_version</B> -<DD><A NAME="IDX108"></A> -The version number of this revision of the library. +<DT><U>Variable:</U> const char * <B>rl_library_version</B> +<DD>The version number of this revision of the library. </DL> +</P><P> -</P> -<P> +<A NAME="IDX188"></A> <DL> -<DT><U>Variable:</U> char * <B>rl_terminal_name</B> -<DD><A NAME="IDX109"></A> -The terminal type, used for initialization. +<DT><U>Variable:</U> int <B>rl_readline_version</B> +<DD>An integer encoding the current version of the library. The encoding is +of the form 0x<VAR>MMmm</VAR>, where <VAR>MM</VAR> is the two-digit major version +number, and <VAR>mm</VAR> is the two-digit minor version number. +For example, for Readline-4.2, <CODE>rl_readline_version</CODE> would have the +value 0x0402. </DL> +</P><P> -</P> -<P> +<A NAME="IDX189"></A> +<DL> +<DT><U>Variable:</U> int <B>rl_gnu_readline_p</B> +<DD>Always set to 1, denoting that this is GNU readline rather than some +emulation. +</DL> +</P><P> + +<A NAME="IDX190"></A> +<DL> +<DT><U>Variable:</U> const char * <B>rl_terminal_name</B> +<DD>The terminal type, used for initialization. If not set by the application, +Readline sets this to the value of the <CODE>TERM</CODE> environment variable +the first time it is called. +</DL> +</P><P> + +<A NAME="IDX191"></A> <DL> -<DT><U>Variable:</U> char * <B>rl_readline_name</B> -<DD><A NAME="IDX110"></A> -This variable is set to a unique name by each application using Readline. +<DT><U>Variable:</U> const char * <B>rl_readline_name</B> +<DD>This variable is set to a unique name by each application using Readline. The value allows conditional parsing of the inputrc file -(see section <A HREF="readline.html#SEC11">Conditional Init Constructs</A>). +(see section <A HREF="readline.html#SEC11">1.3.2 Conditional Init Constructs</A>). </DL> +</P><P> -</P> -<P> +<A NAME="IDX192"></A> <DL> <DT><U>Variable:</U> FILE * <B>rl_instream</B> -<DD><A NAME="IDX111"></A> -The stdio stream from which Readline reads input. +<DD>The stdio stream from which Readline reads input. +If <CODE>NULL</CODE>, Readline defaults to <VAR>stdin</VAR>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX193"></A> <DL> <DT><U>Variable:</U> FILE * <B>rl_outstream</B> -<DD><A NAME="IDX112"></A> -The stdio stream to which Readline performs output. +<DD>The stdio stream to which Readline performs output. +If <CODE>NULL</CODE>, Readline defaults to <VAR>stdout</VAR>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX194"></A> <DL> -<DT><U>Variable:</U> Function * <B>rl_startup_hook</B> -<DD><A NAME="IDX113"></A> -If non-zero, this is the address of a function to call just +<DT><U>Variable:</U> rl_command_func_t * <B>rl_last_func</B> +<DD>The address of the last command function Readline executed. May be used to +test whether or not a function is being executed twice in succession, for +example. +</DL> +</P><P> + +<A NAME="IDX195"></A> +<DL> +<DT><U>Variable:</U> rl_hook_func_t * <B>rl_startup_hook</B> +<DD>If non-zero, this is the address of a function to call just before <CODE>readline</CODE> prints the first prompt. </DL> +</P><P> -</P> -<P> +<A NAME="IDX196"></A> <DL> -<DT><U>Variable:</U> Function * <B>rl_pre_input_hook</B> -<DD><A NAME="IDX114"></A> -If non-zero, this is the address of a function to call after +<DT><U>Variable:</U> rl_hook_func_t * <B>rl_pre_input_hook</B> +<DD>If non-zero, this is the address of a function to call after the first prompt has been printed and just before <CODE>readline</CODE> starts reading input characters. </DL> +</P><P> -</P> -<P> +<A NAME="IDX197"></A> <DL> -<DT><U>Variable:</U> Function * <B>rl_event_hook</B> -<DD><A NAME="IDX115"></A> -If non-zero, this is the address of a function to call periodically -when readline is waiting for terminal input. +<DT><U>Variable:</U> rl_hook_func_t * <B>rl_event_hook</B> +<DD>If non-zero, this is the address of a function to call periodically +when Readline is waiting for terminal input. +By default, this will be called at most ten times a second if there +is no keyboard input. </DL> +</P><P> -</P> -<P> +<A NAME="IDX198"></A> <DL> -<DT><U>Variable:</U> Function * <B>rl_getc_function</B> -<DD><A NAME="IDX116"></A> -If non-zero, <CODE>readline</CODE> will call indirectly through this pointer +<DT><U>Variable:</U> rl_getc_func_t * <B>rl_getc_function</B> +<DD>If non-zero, Readline will call indirectly through this pointer to get a character from the input stream. By default, it is set to -<CODE>rl_getc</CODE>, the default <CODE>readline</CODE> character input function -(see section <A HREF="readline.html#SEC37">Utility Functions</A>). +<CODE>rl_getc</CODE>, the default Readline character input function +(see section <A HREF="readline.html#SEC37">2.4.8 Character Input</A>). </DL> +</P><P> -</P> -<P> +<A NAME="IDX199"></A> <DL> -<DT><U>Variable:</U> VFunction * <B>rl_redisplay_function</B> -<DD><A NAME="IDX117"></A> -If non-zero, <CODE>readline</CODE> will call indirectly through this pointer +<DT><U>Variable:</U> rl_voidfunc_t * <B>rl_redisplay_function</B> +<DD>If non-zero, Readline will call indirectly through this pointer to update the display with the current contents of the editing buffer. -By default, it is set to <CODE>rl_redisplay</CODE>, the default <CODE>readline</CODE> -redisplay function (see section <A HREF="readline.html#SEC35">Redisplay</A>). +By default, it is set to <CODE>rl_redisplay</CODE>, the default Readline +redisplay function (see section <A HREF="readline.html#SEC35">2.4.6 Redisplay</A>). </DL> +</P><P> -</P> -<P> +<A NAME="IDX200"></A> +<DL> +<DT><U>Variable:</U> rl_vintfunc_t * <B>rl_prep_term_function</B> +<DD>If non-zero, Readline will call indirectly through this pointer +to initialize the terminal. The function takes a single argument, an +<CODE>int</CODE> flag that says whether or not to use eight-bit characters. +By default, this is set to <CODE>rl_prep_terminal</CODE> +(see section <A HREF="readline.html#SEC38">2.4.9 Terminal Management</A>). +</DL> +</P><P> + +<A NAME="IDX201"></A> +<DL> +<DT><U>Variable:</U> rl_voidfunc_t * <B>rl_deprep_term_function</B> +<DD>If non-zero, Readline will call indirectly through this pointer +to reset the terminal. This function should undo the effects of +<CODE>rl_prep_term_function</CODE>. +By default, this is set to <CODE>rl_deprep_terminal</CODE> +(see section <A HREF="readline.html#SEC38">2.4.9 Terminal Management</A>). +</DL> +</P><P> + +<A NAME="IDX202"></A> <DL> <DT><U>Variable:</U> Keymap <B>rl_executing_keymap</B> -<DD><A NAME="IDX118"></A> -This variable is set to the keymap (see section <A HREF="readline.html#SEC31">Selecting a Keymap</A>) in which the +<DD>This variable is set to the keymap (see section <A HREF="readline.html#SEC31">2.4.2 Selecting a Keymap</A>) in which the currently executing readline function was found. </DL> +</P><P> -</P> -<P> +<A NAME="IDX203"></A> <DL> <DT><U>Variable:</U> Keymap <B>rl_binding_keymap</B> -<DD><A NAME="IDX119"></A> -This variable is set to the keymap (see section <A HREF="readline.html#SEC31">Selecting a Keymap</A>) in which the +<DD>This variable is set to the keymap (see section <A HREF="readline.html#SEC31">2.4.2 Selecting a Keymap</A>) in which the last key binding occurred. </DL> +</P><P> -</P> - - -<H2><A NAME="SEC29" HREF="readline.html#TOC29">Readline Convenience Functions</A></H2> - - -<UL> -<LI><A HREF="readline.html#SEC30">Function Naming</A>: How to give a function you write a name. -<LI><A HREF="readline.html#SEC31">Keymaps</A>: Making keymaps. -<LI><A HREF="readline.html#SEC32">Binding Keys</A>: Changing Keymaps. -<LI><A HREF="readline.html#SEC33">Associating Function Names and Bindings</A>: Translate function names to - key sequences. -<LI><A HREF="readline.html#SEC34">Allowing Undoing</A>: How to make your functions undoable. -<LI><A HREF="readline.html#SEC35">Redisplay</A>: Functions to control line display. -<LI><A HREF="readline.html#SEC36">Modifying Text</A>: Functions to modify <CODE>rl_line_buffer</CODE>. -<LI><A HREF="readline.html#SEC37">Utility Functions</A>: Generally useful functions and hooks. -<LI><A HREF="readline.html#SEC38">Alternate Interface</A>: Using Readline in a `callback' fashion. -</UL> +<A NAME="IDX204"></A> +<DL> +<DT><U>Variable:</U> char * <B>rl_executing_macro</B> +<DD>This variable is set to the text of any currently-executing macro. +</DL> +</P><P> +<A NAME="IDX205"></A> +<DL> +<DT><U>Variable:</U> int <B>rl_readline_state</B> +<DD>A variable with bit values that encapsulate the current Readline state. +A bit is set with the <CODE>RL_SETSTATE</CODE> macro, and unset with the +<CODE>RL_UNSETSTATE</CODE> macro. Use the <CODE>RL_ISSTATE</CODE> macro to test +whether a particular state bit is set. Current state bits include: +</P><P> +<DL COMPACT> +<DT><CODE>RL_STATE_NONE</CODE> +<DD>Readline has not yet been called, nor has it begun to intialize. +<DT><CODE>RL_STATE_INITIALIZING</CODE> +<DD>Readline is initializing its internal data structures. +<DT><CODE>RL_STATE_INITIALIZED</CODE> +<DD>Readline has completed its initialization. +<DT><CODE>RL_STATE_TERMPREPPED</CODE> +<DD>Readline has modified the terminal modes to do its own input and redisplay. +<DT><CODE>RL_STATE_READCMD</CODE> +<DD>Readline is reading a command from the keyboard. +<DT><CODE>RL_STATE_METANEXT</CODE> +<DD>Readline is reading more input after reading the meta-prefix character. +<DT><CODE>RL_STATE_DISPATCHING</CODE> +<DD>Readline is dispatching to a command. +<DT><CODE>RL_STATE_MOREINPUT</CODE> +<DD>Readline is reading more input while executing an editing command. +<DT><CODE>RL_STATE_ISEARCH</CODE> +<DD>Readline is performing an incremental history search. +<DT><CODE>RL_STATE_NSEARCH</CODE> +<DD>Readline is performing a non-incremental history search. +<DT><CODE>RL_STATE_SEARCH</CODE> +<DD>Readline is searching backward or forward through the history for a string. +<DT><CODE>RL_STATE_NUMERICARG</CODE> +<DD>Readline is reading a numeric argument. +<DT><CODE>RL_STATE_MACROINPUT</CODE> +<DD>Readline is currently getting its input from a previously-defined keyboard +macro. +<DT><CODE>RL_STATE_MACRODEF</CODE> +<DD>Readline is currently reading characters defining a keyboard macro. +<DT><CODE>RL_STATE_OVERWRITE</CODE> +<DD>Readline is in overwrite mode. +<DT><CODE>RL_STATE_COMPLETING</CODE> +<DD>Readline is performing word completion. +<DT><CODE>RL_STATE_SIGHANDLER</CODE> +<DD>Readline is currently executing the readline signal handler. +<DT><CODE>RL_STATE_UNDOING</CODE> +<DD>Readline is performing an undo. +<DT><CODE>RL_STATE_DONE</CODE> +<DD>Readline has read a key sequence bound to <CODE>accept-line</CODE> +and is about to return the line to the caller. +</DL> +<P> + +</DL> +</P><P> + +<A NAME="IDX206"></A> +<DL> +<DT><U>Variable:</U> int <B>rl_explicit_arg</B> +<DD>Set to a non-zero value if an explicit numeric argument was specified by +the user. Only valid in a bindable command function. +</DL> +</P><P> -<H3><A NAME="SEC30" HREF="readline.html#TOC30">Naming a Function</A></H3> +<A NAME="IDX207"></A> +<DL> +<DT><U>Variable:</U> int <B>rl_numeric_arg</B> +<DD>Set to the value of any numeric argument explicitly specified by the user +before executing the current Readline function. Only valid in a bindable +command function. +</DL> +</P><P> +<A NAME="IDX208"></A> +<DL> +<DT><U>Variable:</U> int <B>rl_editing_mode</B> +<DD>Set to a value denoting Readline's current editing mode. A value of +<VAR>1</VAR> means Readline is currently in emacs mode; <VAR>0</VAR> +means that vi mode is active. +</DL> +</P><P> + +<A NAME="Readline Convenience Functions"></A> +<HR SIZE="6"> +<A NAME="SEC29"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC28"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC30"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC43"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC23"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC43"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H2> 2.4 Readline Convenience Functions </H2> +<!--docid::SEC29::--> +<P> + +<BLOCKQUOTE><TABLE BORDER=0 CELLSPACING=0> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC30">2.4.1 Naming a Function</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">How to give a function you write a name.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC31">2.4.2 Selecting a Keymap</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Making keymaps.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC32">2.4.3 Binding Keys</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Changing Keymaps.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC33">2.4.4 Associating Function Names and Bindings</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Translate function names to + key sequences.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC34">2.4.5 Allowing Undoing</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">How to make your functions undoable.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC35">2.4.6 Redisplay</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Functions to control line display.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC36">2.4.7 Modifying Text</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Functions to modify <CODE>rl_line_buffer</CODE>.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC37">2.4.8 Character Input</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Functions to read keyboard input.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC38">2.4.9 Terminal Management</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Functions to manage terminal settings.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC39">2.4.10 Utility Functions</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Generally useful functions and hooks.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC40">2.4.11 Miscellaneous Functions</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Functions that don't fall into any category.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC41">2.4.12 Alternate Interface</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Using Readline in a `callback' fashion.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC42">2.4.13 A Readline Example</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">An example Readline function.</TD></TR> +</TABLE></BLOCKQUOTE> +<P> + +<A NAME="Function Naming"></A> +<HR SIZE="6"> +<A NAME="SEC30"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC29"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC31"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC43"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC29"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC43"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 2.4.1 Naming a Function </H3> +<!--docid::SEC30::--> <P> + The user can dynamically change the bindings of keys while using Readline. This is done by representing the function with a descriptive name. The user is able to type the descriptive name when referring to the function. Thus, in an init file, one might find +</P><P> -</P> +<TABLE><tr><td> </td><td class=example><pre>Meta-Rubout: backward-kill-word +</pre></td></tr></table></P><P> -<PRE> -Meta-Rubout: backward-kill-word -</PRE> - -<P> This binds the keystroke <KBD>Meta-Rubout</KBD> to the function <EM>descriptively</EM> named <CODE>backward-kill-word</CODE>. You, as the programmer, should bind the functions you write to descriptive names as well. Readline provides a function for doing that: +</P><P> -</P> -<P> +<A NAME="IDX209"></A> <DL> -<DT><U>Function:</U> int <B>rl_add_defun</B> <I>(char *name, Function *function, int key)</I> -<DD><A NAME="IDX120"></A> -Add <VAR>name</VAR> to the list of named functions. Make <VAR>function</VAR> be +<DT><U>Function:</U> int <B>rl_add_defun</B> <I>(const char *name, rl_command_func_t *function, int key)</I> +<DD>Add <VAR>name</VAR> to the list of named functions. Make <VAR>function</VAR> be the function that gets called. If <VAR>key</VAR> is not -1, then bind it to -<VAR>function</VAR> using <CODE>rl_bind_key ()</CODE>. +<VAR>function</VAR> using <CODE>rl_bind_key()</CODE>. </DL> +</P><P> -</P> -<P> Using this function alone is sufficient for most applications. It is the recommended way to add a few functions to the default functions that Readline has built in. If you need to do something other than adding a function to Readline, you may need to use the underlying functions described below. - -</P> - - -<H3><A NAME="SEC31" HREF="readline.html#TOC31">Selecting a Keymap</A></H3> - +</P><P> + +<A NAME="Keymaps"></A> +<HR SIZE="6"> +<A NAME="SEC31"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC30"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC32"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC32"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC29"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC43"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 2.4.2 Selecting a Keymap </H3> +<!--docid::SEC31::--> <P> + Key bindings take place on a <EM>keymap</EM>. The keymap is the association between the keys that the user types and the functions that get run. You can make your own keymaps, copy existing keymaps, and tell Readline which keymap to use. +</P><P> -</P> -<P> +<A NAME="IDX210"></A> <DL> -<DT><U>Function:</U> Keymap <B>rl_make_bare_keymap</B> <I>()</I> -<DD><A NAME="IDX121"></A> -Returns a new, empty keymap. The space for the keymap is allocated with -<CODE>malloc ()</CODE>; you should <CODE>free ()</CODE> it when you are done. +<DT><U>Function:</U> Keymap <B>rl_make_bare_keymap</B> <I>(void)</I> +<DD>Returns a new, empty keymap. The space for the keymap is allocated with +<CODE>malloc()</CODE>; the caller should free it by calling +<CODE>rl_discard_keymap()</CODE> when done. </DL> +</P><P> -</P> -<P> +<A NAME="IDX211"></A> <DL> <DT><U>Function:</U> Keymap <B>rl_copy_keymap</B> <I>(Keymap map)</I> -<DD><A NAME="IDX122"></A> -Return a new keymap which is a copy of <VAR>map</VAR>. +<DD>Return a new keymap which is a copy of <VAR>map</VAR>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX212"></A> <DL> -<DT><U>Function:</U> Keymap <B>rl_make_keymap</B> <I>()</I> -<DD><A NAME="IDX123"></A> -Return a new keymap with the printing characters bound to rl_insert, +<DT><U>Function:</U> Keymap <B>rl_make_keymap</B> <I>(void)</I> +<DD>Return a new keymap with the printing characters bound to rl_insert, the lowercase Meta characters bound to run their equivalents, and the Meta digits bound to produce numeric arguments. </DL> +</P><P> -</P> -<P> +<A NAME="IDX213"></A> <DL> <DT><U>Function:</U> void <B>rl_discard_keymap</B> <I>(Keymap keymap)</I> -<DD><A NAME="IDX124"></A> -Free the storage associated with <VAR>keymap</VAR>. +<DD>Free the storage associated with <VAR>keymap</VAR>. </DL> +</P><P> -</P> -<P> Readline has several internal keymaps. These functions allow you to change which keymap is active. +</P><P> -</P> -<P> +<A NAME="IDX214"></A> <DL> -<DT><U>Function:</U> Keymap <B>rl_get_keymap</B> <I>()</I> -<DD><A NAME="IDX125"></A> -Returns the currently active keymap. +<DT><U>Function:</U> Keymap <B>rl_get_keymap</B> <I>(void)</I> +<DD>Returns the currently active keymap. </DL> +</P><P> -</P> -<P> +<A NAME="IDX215"></A> <DL> <DT><U>Function:</U> void <B>rl_set_keymap</B> <I>(Keymap keymap)</I> -<DD><A NAME="IDX126"></A> -Makes <VAR>keymap</VAR> the currently active keymap. +<DD>Makes <VAR>keymap</VAR> the currently active keymap. </DL> +</P><P> -</P> -<P> +<A NAME="IDX216"></A> <DL> -<DT><U>Function:</U> Keymap <B>rl_get_keymap_by_name</B> <I>(char *name)</I> -<DD><A NAME="IDX127"></A> -Return the keymap matching <VAR>name</VAR>. <VAR>name</VAR> is one which would -be supplied in a <CODE>set keymap</CODE> inputrc line (see section <A HREF="readline.html#SEC9">Readline Init File</A>). +<DT><U>Function:</U> Keymap <B>rl_get_keymap_by_name</B> <I>(const char *name)</I> +<DD>Return the keymap matching <VAR>name</VAR>. <VAR>name</VAR> is one which would +be supplied in a <CODE>set keymap</CODE> inputrc line (see section <A HREF="readline.html#SEC9">1.3 Readline Init File</A>). </DL> +</P><P> -</P> -<P> +<A NAME="IDX217"></A> <DL> <DT><U>Function:</U> char * <B>rl_get_keymap_name</B> <I>(Keymap keymap)</I> -<DD><A NAME="IDX128"></A> -Return the name matching <VAR>keymap</VAR>. <VAR>name</VAR> is one which would -be supplied in a <CODE>set keymap</CODE> inputrc line (see section <A HREF="readline.html#SEC9">Readline Init File</A>). -</DL> - -</P> - - -<H3><A NAME="SEC32" HREF="readline.html#TOC32">Binding Keys</A></H3> - -<P> -You associate keys with functions through the keymap. Readline has -several internal keymaps: <CODE>emacs_standard_keymap</CODE>, +<DD>Return the name matching <VAR>keymap</VAR>. <VAR>name</VAR> is one which would +be supplied in a <CODE>set keymap</CODE> inputrc line (see section <A HREF="readline.html#SEC9">1.3 Readline Init File</A>). +</DL> +</P><P> + +<A NAME="Binding Keys"></A> +<HR SIZE="6"> +<A NAME="SEC32"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC31"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC33"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC33"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC29"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC43"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 2.4.3 Binding Keys </H3> +<!--docid::SEC32::--> +<P> + +Key sequences are associate with functions through the keymap. +Readline has several internal keymaps: <CODE>emacs_standard_keymap</CODE>, <CODE>emacs_meta_keymap</CODE>, <CODE>emacs_ctlx_keymap</CODE>, <CODE>vi_movement_keymap</CODE>, and <CODE>vi_insertion_keymap</CODE>. <CODE>emacs_standard_keymap</CODE> is the default, and the examples in this manual assume that. +</P><P> -</P> -<P> -Since <CODE>readline</CODE> installs a set of default key bindings the first +Since <CODE>readline()</CODE> installs a set of default key bindings the first time it is called, there is always the danger that a custom binding -installed before the first call to <CODE>readline</CODE> will be overridden. +installed before the first call to <CODE>readline()</CODE> will be overridden. An alternate mechanism is to install custom key bindings in an initialization function assigned to the <CODE>rl_startup_hook</CODE> variable -(see section <A HREF="readline.html#SEC28">Readline Variables</A>). +(see section <A HREF="readline.html#SEC28">2.3 Readline Variables</A>). +</P><P> -</P> -<P> These functions manage key bindings. +</P><P> -</P> -<P> +<A NAME="IDX218"></A> <DL> -<DT><U>Function:</U> int <B>rl_bind_key</B> <I>(int key, Function *function)</I> -<DD><A NAME="IDX129"></A> -Binds <VAR>key</VAR> to <VAR>function</VAR> in the currently active keymap. +<DT><U>Function:</U> int <B>rl_bind_key</B> <I>(int key, rl_command_func_t *function)</I> +<DD>Binds <VAR>key</VAR> to <VAR>function</VAR> in the currently active keymap. Returns non-zero in the case of an invalid <VAR>key</VAR>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX219"></A> <DL> -<DT><U>Function:</U> int <B>rl_bind_key_in_map</B> <I>(int key, Function *function, Keymap map)</I> -<DD><A NAME="IDX130"></A> -Bind <VAR>key</VAR> to <VAR>function</VAR> in <VAR>map</VAR>. Returns non-zero in the case +<DT><U>Function:</U> int <B>rl_bind_key_in_map</B> <I>(int key, rl_command_func_t *function, Keymap map)</I> +<DD>Bind <VAR>key</VAR> to <VAR>function</VAR> in <VAR>map</VAR>. Returns non-zero in the case of an invalid <VAR>key</VAR>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX220"></A> <DL> <DT><U>Function:</U> int <B>rl_unbind_key</B> <I>(int key)</I> -<DD><A NAME="IDX131"></A> -Bind <VAR>key</VAR> to the null function in the currently active keymap. +<DD>Bind <VAR>key</VAR> to the null function in the currently active keymap. Returns non-zero in case of error. </DL> +</P><P> -</P> -<P> +<A NAME="IDX221"></A> <DL> <DT><U>Function:</U> int <B>rl_unbind_key_in_map</B> <I>(int key, Keymap map)</I> -<DD><A NAME="IDX132"></A> -Bind <VAR>key</VAR> to the null function in <VAR>map</VAR>. +<DD>Bind <VAR>key</VAR> to the null function in <VAR>map</VAR>. Returns non-zero in case of error. </DL> +</P><P> -</P> -<P> +<A NAME="IDX222"></A> <DL> -<DT><U>Function:</U> int <B>rl_unbind_function_in_map</B> <I>(Function *function, Keymap map)</I> -<DD><A NAME="IDX133"></A> -Unbind all keys that execute <VAR>function</VAR> in <VAR>map</VAR>. +<DT><U>Function:</U> int <B>rl_unbind_function_in_map</B> <I>(rl_command_func_t *function, Keymap map)</I> +<DD>Unbind all keys that execute <VAR>function</VAR> in <VAR>map</VAR>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX223"></A> <DL> -<DT><U>Function:</U> int <B>rl_unbind_command_in_map</B> <I>(char *command, Keymap map)</I> -<DD><A NAME="IDX134"></A> -Unbind all keys that are bound to <VAR>command</VAR> in <VAR>map</VAR>. +<DT><U>Function:</U> int <B>rl_unbind_command_in_map</B> <I>(const char *command, Keymap map)</I> +<DD>Unbind all keys that are bound to <VAR>command</VAR> in <VAR>map</VAR>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX224"></A> <DL> -<DT><U>Function:</U> int <B>rl_generic_bind</B> <I>(int type, char *keyseq, char *data, Keymap map)</I> -<DD><A NAME="IDX135"></A> -Bind the key sequence represented by the string <VAR>keyseq</VAR> to the arbitrary +<DT><U>Function:</U> int <B>rl_set_key</B> <I>(const char *keyseq, rl_command_func_t *function, Keymap map)</I> +<DD>Bind the key sequence represented by the string <VAR>keyseq</VAR> to the function +<VAR>function</VAR>. This makes new keymaps as +necessary. The initial keymap in which to do bindings is <VAR>map</VAR>. +</DL> +</P><P> + +<A NAME="IDX225"></A> +<DL> +<DT><U>Function:</U> int <B>rl_generic_bind</B> <I>(int type, const char *keyseq, char *data, Keymap map)</I> +<DD>Bind the key sequence represented by the string <VAR>keyseq</VAR> to the arbitrary pointer <VAR>data</VAR>. <VAR>type</VAR> says what kind of data is pointed to by <VAR>data</VAR>; this can be a function (<CODE>ISFUNC</CODE>), a macro (<CODE>ISMACR</CODE>), or a keymap (<CODE>ISKMAP</CODE>). This makes new keymaps as necessary. The initial keymap in which to do bindings is <VAR>map</VAR>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX226"></A> <DL> <DT><U>Function:</U> int <B>rl_parse_and_bind</B> <I>(char *line)</I> -<DD><A NAME="IDX136"></A> -Parse <VAR>line</VAR> as if it had been read from the <CODE>inputrc</CODE> file and +<DD>Parse <VAR>line</VAR> as if it had been read from the <CODE>inputrc</CODE> file and perform any key bindings and variable assignments found -(see section <A HREF="readline.html#SEC9">Readline Init File</A>). +(see section <A HREF="readline.html#SEC9">1.3 Readline Init File</A>). </DL> +</P><P> -</P> -<P> +<A NAME="IDX227"></A> <DL> -<DT><U>Function:</U> int <B>rl_read_init_file</B> <I>(char *filename)</I> -<DD><A NAME="IDX137"></A> -Read keybindings and variable assignments from <VAR>filename</VAR> -(see section <A HREF="readline.html#SEC9">Readline Init File</A>). -</DL> - -</P> - - -<H3><A NAME="SEC33" HREF="readline.html#TOC33">Associating Function Names and Bindings</A></H3> - +<DT><U>Function:</U> int <B>rl_read_init_file</B> <I>(const char *filename)</I> +<DD>Read keybindings and variable assignments from <VAR>filename</VAR> +(see section <A HREF="readline.html#SEC9">1.3 Readline Init File</A>). +</DL> +</P><P> + +<A NAME="Associating Function Names and Bindings"></A> +<HR SIZE="6"> +<A NAME="SEC33"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC32"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC34"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC34"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC29"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC43"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 2.4.4 Associating Function Names and Bindings </H3> +<!--docid::SEC33::--> <P> + These functions allow you to find out what keys invoke named functions -and the functions invoked by a particular key sequence. +and the functions invoked by a particular key sequence. You may also +associate a new function name with an arbitrary function. +</P><P> -</P> -<P> +<A NAME="IDX228"></A> <DL> -<DT><U>Function:</U> Function * <B>rl_named_function</B> <I>(char *name)</I> -<DD><A NAME="IDX138"></A> -Return the function with name <VAR>name</VAR>. +<DT><U>Function:</U> rl_command_func_t * <B>rl_named_function</B> <I>(const char *name)</I> +<DD>Return the function with name <VAR>name</VAR>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX229"></A> <DL> -<DT><U>Function:</U> Function * <B>rl_function_of_keyseq</B> <I>(char *keyseq, Keymap map, int *type)</I> -<DD><A NAME="IDX139"></A> -Return the function invoked by <VAR>keyseq</VAR> in keymap <VAR>map</VAR>. -If <VAR>map</VAR> is NULL, the current keymap is used. If <VAR>type</VAR> is -not NULL, the type of the object is returned in it (one of <CODE>ISFUNC</CODE>, -<CODE>ISKMAP</CODE>, or <CODE>ISMACR</CODE>). +<DT><U>Function:</U> rl_command_func_t * <B>rl_function_of_keyseq</B> <I>(const char *keyseq, Keymap map, int *type)</I> +<DD>Return the function invoked by <VAR>keyseq</VAR> in keymap <VAR>map</VAR>. +If <VAR>map</VAR> is <CODE>NULL</CODE>, the current keymap is used. If <VAR>type</VAR> is +not <CODE>NULL</CODE>, the type of the object is returned in the <CODE>int</CODE> variable +it points to (one of <CODE>ISFUNC</CODE>, <CODE>ISKMAP</CODE>, or <CODE>ISMACR</CODE>). </DL> +</P><P> -</P> -<P> +<A NAME="IDX230"></A> <DL> -<DT><U>Function:</U> char ** <B>rl_invoking_keyseqs</B> <I>(Function *function)</I> -<DD><A NAME="IDX140"></A> -Return an array of strings representing the key sequences used to +<DT><U>Function:</U> char ** <B>rl_invoking_keyseqs</B> <I>(rl_command_func_t *function)</I> +<DD>Return an array of strings representing the key sequences used to invoke <VAR>function</VAR> in the current keymap. </DL> +</P><P> -</P> -<P> +<A NAME="IDX231"></A> <DL> -<DT><U>Function:</U> char ** <B>rl_invoking_keyseqs_in_map</B> <I>(Function *function, Keymap map)</I> -<DD><A NAME="IDX141"></A> -Return an array of strings representing the key sequences used to +<DT><U>Function:</U> char ** <B>rl_invoking_keyseqs_in_map</B> <I>(rl_command_func_t *function, Keymap map)</I> +<DD>Return an array of strings representing the key sequences used to invoke <VAR>function</VAR> in the keymap <VAR>map</VAR>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX232"></A> <DL> <DT><U>Function:</U> void <B>rl_function_dumper</B> <I>(int readable)</I> -<DD><A NAME="IDX142"></A> -Print the readline function names and the key sequences currently +<DD>Print the readline function names and the key sequences currently bound to them to <CODE>rl_outstream</CODE>. If <VAR>readable</VAR> is non-zero, the list is formatted in such a way that it can be made part of an <CODE>inputrc</CODE> file and re-read. </DL> +</P><P> -</P> -<P> +<A NAME="IDX233"></A> <DL> -<DT><U>Function:</U> void <B>rl_list_funmap_names</B> <I>()</I> -<DD><A NAME="IDX143"></A> -Print the names of all bindable Readline functions to <CODE>rl_outstream</CODE>. +<DT><U>Function:</U> void <B>rl_list_funmap_names</B> <I>(void)</I> +<DD>Print the names of all bindable Readline functions to <CODE>rl_outstream</CODE>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX234"></A> <DL> -<DT><U>Function:</U> char ** <B>rl_funmap_names</B> <I>()</I> -<DD><A NAME="IDX144"></A> -Return a NULL terminated array of known function names. The array is +<DT><U>Function:</U> const char ** <B>rl_funmap_names</B> <I>(void)</I> +<DD>Return a NULL terminated array of known function names. The array is sorted. The array itself is allocated, but not the strings inside. You -should free () the array when you done, but not the pointrs. +should <CODE>free()</CODE> the array when you are done, but not the pointers. </DL> +</P><P> -</P> - - -<H3><A NAME="SEC34" HREF="readline.html#TOC34">Allowing Undoing</A></H3> - +<A NAME="IDX235"></A> +<DL> +<DT><U>Function:</U> int <B>rl_add_funmap_entry</B> <I>(const char *name, rl_command_func_t *function)</I> +<DD>Add <VAR>name</VAR> to the list of bindable Readline command names, and make +<VAR>function</VAR> the function to be called when <VAR>name</VAR> is invoked. +</DL> +</P><P> + +<A NAME="Allowing Undoing"></A> +<HR SIZE="6"> +<A NAME="SEC34"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC33"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC35"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC35"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC29"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC43"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 2.4.5 Allowing Undoing </H3> +<!--docid::SEC34::--> <P> + Supporting the undo command is a painless thing, and makes your functions much more useful. It is certainly easy to try -something if you know you can undo it. I could use an undo function for -the stock market. +something if you know you can undo it. +</P><P> -</P> -<P> If your function simply inserts text once, or deletes text once, and -uses <CODE>rl_insert_text ()</CODE> or <CODE>rl_delete_text ()</CODE> to do it, then +uses <CODE>rl_insert_text()</CODE> or <CODE>rl_delete_text()</CODE> to do it, then undoing is already done for you automatically. +</P><P> -</P> -<P> If you do multiple insertions or multiple deletions, or any combination of these operations, you should group them together into one operation. -This is done with <CODE>rl_begin_undo_group ()</CODE> and -<CODE>rl_end_undo_group ()</CODE>. +This is done with <CODE>rl_begin_undo_group()</CODE> and +<CODE>rl_end_undo_group()</CODE>. +</P><P> -</P> -<P> The types of events that can be undone are: +</P><P> -</P> +<TABLE><tr><td> </td><td class=smallexample><FONT SIZE=-1><pre>enum undo_code { UNDO_DELETE, UNDO_INSERT, UNDO_BEGIN, UNDO_END }; +</FONT></pre></td></tr></table></P><P> -<PRE> -enum undo_code { UNDO_DELETE, UNDO_INSERT, UNDO_BEGIN, UNDO_END }; -</PRE> - -<P> Notice that <CODE>UNDO_DELETE</CODE> means to insert some text, and <CODE>UNDO_INSERT</CODE> means to delete some text. That is, the undo code -tells undo what to undo, not how to undo it. <CODE>UNDO_BEGIN</CODE> and -<CODE>UNDO_END</CODE> are tags added by <CODE>rl_begin_undo_group ()</CODE> and -<CODE>rl_end_undo_group ()</CODE>. +tells what to undo, not how to undo it. <CODE>UNDO_BEGIN</CODE> and +<CODE>UNDO_END</CODE> are tags added by <CODE>rl_begin_undo_group()</CODE> and +<CODE>rl_end_undo_group()</CODE>. +</P><P> -</P> -<P> +<A NAME="IDX236"></A> <DL> -<DT><U>Function:</U> int <B>rl_begin_undo_group</B> <I>()</I> -<DD><A NAME="IDX145"></A> -Begins saving undo information in a group construct. The undo -information usually comes from calls to <CODE>rl_insert_text ()</CODE> and -<CODE>rl_delete_text ()</CODE>, but could be the result of calls to -<CODE>rl_add_undo ()</CODE>. +<DT><U>Function:</U> int <B>rl_begin_undo_group</B> <I>(void)</I> +<DD>Begins saving undo information in a group construct. The undo +information usually comes from calls to <CODE>rl_insert_text()</CODE> and +<CODE>rl_delete_text()</CODE>, but could be the result of calls to +<CODE>rl_add_undo()</CODE>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX237"></A> <DL> -<DT><U>Function:</U> int <B>rl_end_undo_group</B> <I>()</I> -<DD><A NAME="IDX146"></A> -Closes the current undo group started with <CODE>rl_begin_undo_group -()</CODE>. There should be one call to <CODE>rl_end_undo_group ()</CODE> -for each call to <CODE>rl_begin_undo_group ()</CODE>. +<DT><U>Function:</U> int <B>rl_end_undo_group</B> <I>(void)</I> +<DD>Closes the current undo group started with <CODE>rl_begin_undo_group +()</CODE>. There should be one call to <CODE>rl_end_undo_group()</CODE> +for each call to <CODE>rl_begin_undo_group()</CODE>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX238"></A> <DL> <DT><U>Function:</U> void <B>rl_add_undo</B> <I>(enum undo_code what, int start, int end, char *text)</I> -<DD><A NAME="IDX147"></A> -Remember how to undo an event (according to <VAR>what</VAR>). The affected +<DD>Remember how to undo an event (according to <VAR>what</VAR>). The affected text runs from <VAR>start</VAR> to <VAR>end</VAR>, and encompasses <VAR>text</VAR>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX239"></A> <DL> -<DT><U>Function:</U> void <B>free_undo_list</B> <I>()</I> -<DD><A NAME="IDX148"></A> -Free the existing undo list. +<DT><U>Function:</U> void <B>rl_free_undo_list</B> <I>(void)</I> +<DD>Free the existing undo list. </DL> +</P><P> -</P> -<P> +<A NAME="IDX240"></A> <DL> -<DT><U>Function:</U> int <B>rl_do_undo</B> <I>()</I> -<DD><A NAME="IDX149"></A> -Undo the first thing on the undo list. Returns <CODE>0</CODE> if there was +<DT><U>Function:</U> int <B>rl_do_undo</B> <I>(void)</I> +<DD>Undo the first thing on the undo list. Returns <CODE>0</CODE> if there was nothing to undo, non-zero if something was undone. </DL> +</P><P> -</P> -<P> Finally, if you neither insert nor delete text, but directly modify the -existing text (e.g., change its case), call <CODE>rl_modifying ()</CODE> +existing text (e.g., change its case), call <CODE>rl_modifying()</CODE> once, just before you modify the text. You must supply the indices of the text range that you are going to modify. +</P><P> -</P> -<P> +<A NAME="IDX241"></A> <DL> <DT><U>Function:</U> int <B>rl_modifying</B> <I>(int start, int end)</I> -<DD><A NAME="IDX150"></A> -Tell Readline to save the text between <VAR>start</VAR> and <VAR>end</VAR> as a +<DD>Tell Readline to save the text between <VAR>start</VAR> and <VAR>end</VAR> as a single undo unit. It is assumed that you will subsequently modify that text. </DL> - -</P> - - -<H3><A NAME="SEC35" HREF="readline.html#TOC35">Redisplay</A></H3> - -<P> +</P><P> + +<A NAME="Redisplay"></A> +<HR SIZE="6"> +<A NAME="SEC35"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC34"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC36"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC36"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC29"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC43"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 2.4.6 Redisplay </H3> +<!--docid::SEC35::--> +<P> + +<A NAME="IDX242"></A> <DL> -<DT><U>Function:</U> void <B>rl_redisplay</B> <I>()</I> -<DD><A NAME="IDX151"></A> -Change what's displayed on the screen to reflect the current contents +<DT><U>Function:</U> void <B>rl_redisplay</B> <I>(void)</I> +<DD>Change what's displayed on the screen to reflect the current contents of <CODE>rl_line_buffer</CODE>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX243"></A> <DL> -<DT><U>Function:</U> int <B>rl_forced_update_display</B> <I>()</I> -<DD><A NAME="IDX152"></A> -Force the line to be updated and redisplayed, whether or not +<DT><U>Function:</U> int <B>rl_forced_update_display</B> <I>(void)</I> +<DD>Force the line to be updated and redisplayed, whether or not Readline thinks the screen display is correct. </DL> +</P><P> -</P> -<P> +<A NAME="IDX244"></A> <DL> -<DT><U>Function:</U> int <B>rl_on_new_line</B> <I>()</I> -<DD><A NAME="IDX153"></A> -Tell the update functions that we have moved onto a new (empty) line, +<DT><U>Function:</U> int <B>rl_on_new_line</B> <I>(void)</I> +<DD>Tell the update functions that we have moved onto a new (empty) line, usually after ouputting a newline. </DL> +</P><P> -</P> -<P> +<A NAME="IDX245"></A> <DL> -<DT><U>Function:</U> int <B>rl_on_new_line_with_prompt</B> <I>()</I> -<DD><A NAME="IDX154"></A> -Tell the update functions that we have moved onto a new line, with +<DT><U>Function:</U> int <B>rl_on_new_line_with_prompt</B> <I>(void)</I> +<DD>Tell the update functions that we have moved onto a new line, with <VAR>rl_prompt</VAR> already displayed. This could be used by applications that want to output the prompt string themselves, but still need Readline to know the prompt string length for redisplay. It should be used after setting <VAR>rl_already_prompted</VAR>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX246"></A> <DL> -<DT><U>Function:</U> int <B>rl_reset_line_state</B> <I>()</I> -<DD><A NAME="IDX155"></A> -Reset the display state to a clean state and redisplay the current line +<DT><U>Function:</U> int <B>rl_reset_line_state</B> <I>(void)</I> +<DD>Reset the display state to a clean state and redisplay the current line starting on a new line. </DL> +</P><P> -</P> -<P> +<A NAME="IDX247"></A> <DL> -<DT><U>Function:</U> int <B>rl_message</B> <I>(va_alist)</I> -<DD><A NAME="IDX156"></A> -The arguments are a string as would be supplied to <CODE>printf</CODE>. The -resulting string is displayed in the <EM>echo area</EM>. The echo area -is also used to display numeric arguments and search strings. +<DT><U>Function:</U> int <B>rl_crlf</B> <I>(void)</I> +<DD>Move the cursor to the start of the next screen line. </DL> +</P><P> -</P> -<P> +<A NAME="IDX248"></A> <DL> -<DT><U>Function:</U> int <B>rl_clear_message</B> <I>()</I> -<DD><A NAME="IDX157"></A> -Clear the message in the echo area. +<DT><U>Function:</U> int <B>rl_show_char</B> <I>(int c)</I> +<DD>Display character <VAR>c</VAR> on <CODE>rl_outstream</CODE>. +If Readline has not been set to display meta characters directly, this +will convert meta characters to a meta-prefixed key sequence. +This is intended for use by applications which wish to do their own +redisplay. </DL> +</P><P> -</P> -<P> +<A NAME="IDX249"></A> <DL> -<DT><U>Function:</U> void <B>rl_save_prompt</B> <I>()</I> -<DD><A NAME="IDX158"></A> -Save the local Readline prompt display state in preparation for -displaying a new message in the message area with <CODE>rl_message</CODE>. +<DT><U>Function:</U> int <B>rl_message</B> <I>(const char *, <small>...</small>)</I> +<DD>The arguments are a format string as would be supplied to <CODE>printf</CODE>, +possibly containing conversion specifications such as <SAMP>`%d'</SAMP>, and +any additional arguments necessary to satisfy the conversion specifications. +The resulting string is displayed in the <EM>echo area</EM>. The echo area +is also used to display numeric arguments and search strings. </DL> +</P><P> -</P> -<P> +<A NAME="IDX250"></A> <DL> -<DT><U>Function:</U> void <B>rl_restore_prompt</B> <I>()</I> -<DD><A NAME="IDX159"></A> -Restore the local Readline prompt display state saved by the most -recent call to <CODE>rl_save_prompt</CODE>. +<DT><U>Function:</U> int <B>rl_clear_message</B> <I>(void)</I> +<DD>Clear the message in the echo area. </DL> +</P><P> -</P> - +<A NAME="IDX251"></A> +<DL> +<DT><U>Function:</U> void <B>rl_save_prompt</B> <I>(void)</I> +<DD>Save the local Readline prompt display state in preparation for +displaying a new message in the message area with <CODE>rl_message()</CODE>. +</DL> +</P><P> -<H3><A NAME="SEC36" HREF="readline.html#TOC36">Modifying Text</A></H3> +<A NAME="IDX252"></A> +<DL> +<DT><U>Function:</U> void <B>rl_restore_prompt</B> <I>(void)</I> +<DD>Restore the local Readline prompt display state saved by the most +recent call to <CODE>rl_save_prompt</CODE>. +</DL> +</P><P> -<P> +<A NAME="IDX253"></A> +<DL> +<DT><U>Function:</U> int <B>rl_expand_prompt</B> <I>(char *prompt)</I> +<DD>Expand any special character sequences in <VAR>prompt</VAR> and set up the +local Readline prompt redisplay variables. +This function is called by <CODE>readline()</CODE>. It may also be called to +expand the primary prompt if the <CODE>rl_on_new_line_with_prompt()</CODE> +function or <CODE>rl_already_prompted</CODE> variable is used. +It returns the number of visible characters on the last line of the +(possibly multi-line) prompt. +</DL> +</P><P> + +<A NAME="IDX254"></A> +<DL> +<DT><U>Function:</U> int <B>rl_set_prompt</B> <I>(const char *prompt)</I> +<DD>Make Readline use <VAR>prompt</VAR> for subsequent redisplay. This calls +<CODE>rl_expand_prompt()</CODE> to expand the prompt and sets <CODE>rl_prompt</CODE> +to the result. +</DL> +</P><P> + +<A NAME="Modifying Text"></A> +<HR SIZE="6"> +<A NAME="SEC36"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC35"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC37"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC37"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC29"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC43"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 2.4.7 Modifying Text </H3> +<!--docid::SEC36::--> +<P> + +<A NAME="IDX255"></A> <DL> -<DT><U>Function:</U> int <B>rl_insert_text</B> <I>(char *text)</I> -<DD><A NAME="IDX160"></A> -Insert <VAR>text</VAR> into the line at the current cursor position. +<DT><U>Function:</U> int <B>rl_insert_text</B> <I>(const char *text)</I> +<DD>Insert <VAR>text</VAR> into the line at the current cursor position. +Returns the number of characters inserted. </DL> +</P><P> -</P> -<P> +<A NAME="IDX256"></A> <DL> <DT><U>Function:</U> int <B>rl_delete_text</B> <I>(int start, int end)</I> -<DD><A NAME="IDX161"></A> -Delete the text between <VAR>start</VAR> and <VAR>end</VAR> in the current line. +<DD>Delete the text between <VAR>start</VAR> and <VAR>end</VAR> in the current line. +Returns the number of characters deleted. </DL> +</P><P> -</P> -<P> +<A NAME="IDX257"></A> <DL> <DT><U>Function:</U> char * <B>rl_copy_text</B> <I>(int start, int end)</I> -<DD><A NAME="IDX162"></A> -Return a copy of the text between <VAR>start</VAR> and <VAR>end</VAR> in +<DD>Return a copy of the text between <VAR>start</VAR> and <VAR>end</VAR> in the current line. </DL> +</P><P> -</P> -<P> +<A NAME="IDX258"></A> <DL> <DT><U>Function:</U> int <B>rl_kill_text</B> <I>(int start, int end)</I> -<DD><A NAME="IDX163"></A> -Copy the text between <VAR>start</VAR> and <VAR>end</VAR> in the current line +<DD>Copy the text between <VAR>start</VAR> and <VAR>end</VAR> in the current line to the kill ring, appending or prepending to the last kill if the last command was a kill command. The text is deleted. If <VAR>start</VAR> is less than <VAR>end</VAR>, the text is appended, otherwise prepended. If the last command was not a kill, a new kill ring slot is used. </DL> +</P><P> -</P> +<A NAME="IDX259"></A> +<DL> +<DT><U>Function:</U> int <B>rl_push_macro_input</B> <I>(char *macro)</I> +<DD>Cause <VAR>macro</VAR> to be inserted into the line, as if it had been invoked +by a key bound to a macro. Not especially useful; use +<CODE>rl_insert_text()</CODE> instead. +</DL> +</P><P> + +<A NAME="Character Input"></A> +<HR SIZE="6"> +<A NAME="SEC37"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC36"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC38"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC38"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC29"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC43"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 2.4.8 Character Input </H3> +<!--docid::SEC37::--> +<P> + +<A NAME="IDX260"></A> +<DL> +<DT><U>Function:</U> int <B>rl_read_key</B> <I>(void)</I> +<DD>Return the next character available from Readline's current input stream. +This handles input inserted into +the input stream via <VAR>rl_pending_input</VAR> (see section <A HREF="readline.html#SEC28">2.3 Readline Variables</A>) +and <CODE>rl_stuff_char()</CODE>, macros, and characters read from the keyboard. +While waiting for input, this function will call any function assigned to +the <CODE>rl_event_hook</CODE> variable. +</DL> +</P><P> +<A NAME="IDX261"></A> +<DL> +<DT><U>Function:</U> int <B>rl_getc</B> <I>(FILE *stream)</I> +<DD>Return the next character available from <VAR>stream</VAR>, which is assumed to +be the keyboard. +</DL> +</P><P> -<H3><A NAME="SEC37" HREF="readline.html#TOC37">Utility Functions</A></H3> +<A NAME="IDX262"></A> +<DL> +<DT><U>Function:</U> int <B>rl_stuff_char</B> <I>(int c)</I> +<DD>Insert <VAR>c</VAR> into the Readline input stream. It will be "read" +before Readline attempts to read characters from the terminal with +<CODE>rl_read_key()</CODE>. Up to 512 characters may be pushed back. +<CODE>rl_stuff_char</CODE> returns 1 if the character was successfully inserted; +0 otherwise. +</DL> +</P><P> -<P> +<A NAME="IDX263"></A> <DL> -<DT><U>Function:</U> int <B>rl_read_key</B> <I>()</I> -<DD><A NAME="IDX164"></A> -Return the next character available. This handles input inserted into -the input stream via <VAR>pending input</VAR> (see section <A HREF="readline.html#SEC28">Readline Variables</A>) -and <CODE>rl_stuff_char ()</CODE>, macros, and characters read from the keyboard. +<DT><U>Function:</U> int <B>rl_execute_next</B> <I>(int c)</I> +<DD>Make <VAR>c</VAR> be the next command to be executed when <CODE>rl_read_key()</CODE> +is called. This sets <VAR>rl_pending_input</VAR>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX264"></A> <DL> -<DT><U>Function:</U> int <B>rl_getc</B> <I>(FILE *)</I> -<DD><A NAME="IDX165"></A> -Return the next character available from the keyboard. +<DT><U>Function:</U> int <B>rl_clear_pending_input</B> <I>(void)</I> +<DD>Unset <VAR>rl_pending_input</VAR>, effectively negating the effect of any +previous call to <CODE>rl_execute_next()</CODE>. This works only if the +pending input has not already been read with <CODE>rl_read_key()</CODE>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX265"></A> <DL> -<DT><U>Function:</U> int <B>rl_stuff_char</B> <I>(int c)</I> -<DD><A NAME="IDX166"></A> -Insert <VAR>c</VAR> into the Readline input stream. It will be "read" -before Readline attempts to read characters from the terminal with -<CODE>rl_read_key ()</CODE>. +<DT><U>Function:</U> int <B>rl_set_keyboard_input_timeout</B> <I>(int u)</I> +<DD>While waiting for keyboard input in <CODE>rl_read_key()</CODE>, Readline will +wait for <VAR>u</VAR> microseconds for input before calling any function +assigned to <CODE>rl_event_hook</CODE>. The default waiting period is +one-tenth of a second. Returns the old timeout value. +</DL> +</P><P> + +<A NAME="Terminal Management"></A> +<HR SIZE="6"> +<A NAME="SEC38"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC37"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC39"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC43"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC29"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC43"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 2.4.9 Terminal Management </H3> +<!--docid::SEC38::--> +<P> + +<A NAME="IDX266"></A> +<DL> +<DT><U>Function:</U> void <B>rl_prep_terminal</B> <I>(int meta_flag)</I> +<DD>Modify the terminal settings for Readline's use, so <CODE>readline()</CODE> +can read a single character at a time from the keyboard. +The <VAR>meta_flag</VAR> argument should be non-zero if Readline should +read eight-bit input. </DL> +</P><P> -</P> -<P> +<A NAME="IDX267"></A> <DL> -<DT><U>Function:</U> int <B>rl_extend_line_buffer</B> <I>(int len)</I> -<DD><A NAME="IDX167"></A> -Ensure that <CODE>rl_line_buffer</CODE> has enough space to hold <VAR>len</VAR> -characters, possibly reallocating it if necessary. +<DT><U>Function:</U> void <B>rl_deprep_terminal</B> <I>(void)</I> +<DD>Undo the effects of <CODE>rl_prep_terminal()</CODE>, leaving the terminal in +the state in which it was before the most recent call to +<CODE>rl_prep_terminal()</CODE>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX268"></A> <DL> -<DT><U>Function:</U> int <B>rl_initialize</B> <I>()</I> -<DD><A NAME="IDX168"></A> -Initialize or re-initialize Readline's internal state. +<DT><U>Function:</U> void <B>rl_tty_set_default_bindings</B> <I>(Keymap kmap)</I> +<DD>Read the operating system's terminal editing characters (as would be displayed +by <CODE>stty</CODE>) to their Readline equivalents. The bindings are performed +in <VAR>kmap</VAR>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX269"></A> <DL> -<DT><U>Function:</U> int <B>rl_reset_terminal</B> <I>(char *terminal_name)</I> -<DD><A NAME="IDX169"></A> -Reinitialize Readline's idea of the terminal settings using +<DT><U>Function:</U> int <B>rl_reset_terminal</B> <I>(const char *terminal_name)</I> +<DD>Reinitialize Readline's idea of the terminal settings using <VAR>terminal_name</VAR> as the terminal type (e.g., <CODE>vt100</CODE>). -If <VAR>terminal_name</VAR> is NULL, the value of the <CODE>TERM</CODE> +If <VAR>terminal_name</VAR> is <CODE>NULL</CODE>, the value of the <CODE>TERM</CODE> environment variable is used. </DL> +</P><P> + +<A NAME="Utility Functions"></A> +<HR SIZE="6"> +<A NAME="SEC39"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC38"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC40"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC31"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC29"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC43"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 2.4.10 Utility Functions </H3> +<!--docid::SEC39::--> +<P> + +<A NAME="IDX270"></A> +<DL> +<DT><U>Function:</U> void <B>rl_replace_line</B> <I>(const char *text, int clear_undo)</I> +<DD>Replace the contents of <CODE>rl_line_buffer</CODE> with <VAR>text</VAR>. +The point and mark are preserved, if possible. +If <VAR>clear_undo</VAR> is non-zero, the undo list associated with the +current line is cleared. +</DL> +</P><P> -</P> -<P> +<A NAME="IDX271"></A> <DL> -<DT><U>Function:</U> int <B>alphabetic</B> <I>(int c)</I> -<DD><A NAME="IDX170"></A> -Return 1 if <VAR>c</VAR> is an alphabetic character. +<DT><U>Function:</U> int <B>rl_extend_line_buffer</B> <I>(int len)</I> +<DD>Ensure that <CODE>rl_line_buffer</CODE> has enough space to hold <VAR>len</VAR> +characters, possibly reallocating it if necessary. </DL> +</P><P> -</P> -<P> +<A NAME="IDX272"></A> <DL> -<DT><U>Function:</U> int <B>numeric</B> <I>(int c)</I> -<DD><A NAME="IDX171"></A> -Return 1 if <VAR>c</VAR> is a numeric character. +<DT><U>Function:</U> int <B>rl_initialize</B> <I>(void)</I> +<DD>Initialize or re-initialize Readline's internal state. +It's not strictly necessary to call this; <CODE>readline()</CODE> calls it before +reading any input. </DL> +</P><P> -</P> -<P> +<A NAME="IDX273"></A> <DL> -<DT><U>Function:</U> int <B>ding</B> <I>()</I> -<DD><A NAME="IDX172"></A> -Ring the terminal bell, obeying the setting of <CODE>bell-style</CODE>. +<DT><U>Function:</U> int <B>rl_ding</B> <I>(void)</I> +<DD>Ring the terminal bell, obeying the setting of <CODE>bell-style</CODE>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX274"></A> +<DL> +<DT><U>Function:</U> int <B>rl_alphabetic</B> <I>(int c)</I> +<DD>Return 1 if <VAR>c</VAR> is an alphabetic character. +</DL> +</P><P> + +<A NAME="IDX275"></A> <DL> <DT><U>Function:</U> void <B>rl_display_match_list</B> <I>(char **matches, int len, int max)</I> -<DD><A NAME="IDX173"></A> -A convenience function for displaying a list of strings in +<DD>A convenience function for displaying a list of strings in columnar format on Readline's output stream. <CODE>matches</CODE> is the list of strings, in argv format, such as a list of completion matches. <CODE>len</CODE> is the number of strings in <CODE>matches</CODE>, and <CODE>max</CODE> is the length of the longest string in <CODE>matches</CODE>. This function uses the setting of <CODE>print-completions-horizontally</CODE> to select how the -matches are displayed (see section <A HREF="readline.html#SEC10">Readline Init File Syntax</A>). +matches are displayed (see section <A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A>). </DL> +</P><P> -</P> -<P> -The following are implemented as macros, defined in <CODE>chartypes.h</CODE>. +The following are implemented as macros, defined in <CODE>chardefs.h</CODE>. +Applications should refrain from using them. +</P><P> -</P> -<P> +<A NAME="IDX276"></A> <DL> -<DT><U>Function:</U> int <B>uppercase_p</B> <I>(int c)</I> -<DD><A NAME="IDX174"></A> -Return 1 if <VAR>c</VAR> is an uppercase alphabetic character. +<DT><U>Function:</U> int <B>_rl_uppercase_p</B> <I>(int c)</I> +<DD>Return 1 if <VAR>c</VAR> is an uppercase alphabetic character. </DL> +</P><P> -</P> -<P> +<A NAME="IDX277"></A> <DL> -<DT><U>Function:</U> int <B>lowercase_p</B> <I>(int c)</I> -<DD><A NAME="IDX175"></A> -Return 1 if <VAR>c</VAR> is a lowercase alphabetic character. +<DT><U>Function:</U> int <B>_rl_lowercase_p</B> <I>(int c)</I> +<DD>Return 1 if <VAR>c</VAR> is a lowercase alphabetic character. </DL> +</P><P> -</P> -<P> +<A NAME="IDX278"></A> <DL> -<DT><U>Function:</U> int <B>digit_p</B> <I>(int c)</I> -<DD><A NAME="IDX176"></A> -Return 1 if <VAR>c</VAR> is a numeric character. +<DT><U>Function:</U> int <B>_rl_digit_p</B> <I>(int c)</I> +<DD>Return 1 if <VAR>c</VAR> is a numeric character. </DL> +</P><P> -</P> -<P> +<A NAME="IDX279"></A> <DL> -<DT><U>Function:</U> int <B>to_upper</B> <I>(int c)</I> -<DD><A NAME="IDX177"></A> -If <VAR>c</VAR> is a lowercase alphabetic character, return the corresponding +<DT><U>Function:</U> int <B>_rl_to_upper</B> <I>(int c)</I> +<DD>If <VAR>c</VAR> is a lowercase alphabetic character, return the corresponding uppercase character. </DL> +</P><P> -</P> -<P> +<A NAME="IDX280"></A> <DL> -<DT><U>Function:</U> int <B>to_lower</B> <I>(int c)</I> -<DD><A NAME="IDX178"></A> -If <VAR>c</VAR> is an uppercase alphabetic character, return the corresponding +<DT><U>Function:</U> int <B>_rl_to_lower</B> <I>(int c)</I> +<DD>If <VAR>c</VAR> is an uppercase alphabetic character, return the corresponding lowercase character. </DL> +</P><P> -</P> -<P> +<A NAME="IDX281"></A> <DL> -<DT><U>Function:</U> int <B>digit_value</B> <I>(int c)</I> -<DD><A NAME="IDX179"></A> -If <VAR>c</VAR> is a number, return the value it represents. +<DT><U>Function:</U> int <B>_rl_digit_value</B> <I>(int c)</I> +<DD>If <VAR>c</VAR> is a number, return the value it represents. +</DL> +</P><P> + +<A NAME="Miscellaneous Functions"></A> +<HR SIZE="6"> +<A NAME="SEC40"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC39"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC41"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC31"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC29"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC43"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 2.4.11 Miscellaneous Functions </H3> +<!--docid::SEC40::--> +<P> + +<A NAME="IDX282"></A> +<DL> +<DT><U>Function:</U> int <B>rl_macro_bind</B> <I>(const char *keyseq, const char *macro, Keymap map)</I> +<DD>Bind the key sequence <VAR>keyseq</VAR> to invoke the macro <VAR>macro</VAR>. +The binding is performed in <VAR>map</VAR>. When <VAR>keyseq</VAR> is invoked, the +<VAR>macro</VAR> will be inserted into the line. This function is deprecated; +use <CODE>rl_generic_bind()</CODE> instead. </DL> +</P><P> -</P> +<A NAME="IDX283"></A> +<DL> +<DT><U>Function:</U> void <B>rl_macro_dumper</B> <I>(int readable)</I> +<DD>Print the key sequences bound to macros and their values, using +the current keymap, to <CODE>rl_outstream</CODE>. +If <VAR>readable</VAR> is non-zero, the list is formatted in such a way +that it can be made part of an <CODE>inputrc</CODE> file and re-read. +</DL> +</P><P> +<A NAME="IDX284"></A> +<DL> +<DT><U>Function:</U> int <B>rl_variable_bind</B> <I>(const char *variable, const char *value)</I> +<DD>Make the Readline variable <VAR>variable</VAR> have <VAR>value</VAR>. +This behaves as if the readline command +<SAMP>`set <VAR>variable</VAR> <VAR>value</VAR>'</SAMP> had been executed in an <CODE>inputrc</CODE> +file (see section <A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A>). +</DL> +</P><P> -<H3><A NAME="SEC38" HREF="readline.html#TOC38">Alternate Interface</A></H3> +<A NAME="IDX285"></A> +<DL> +<DT><U>Function:</U> void <B>rl_variable_dumper</B> <I>(int readable)</I> +<DD>Print the readline variable names and their current values +to <CODE>rl_outstream</CODE>. +If <VAR>readable</VAR> is non-zero, the list is formatted in such a way +that it can be made part of an <CODE>inputrc</CODE> file and re-read. +</DL> +</P><P> + +<A NAME="IDX286"></A> +<DL> +<DT><U>Function:</U> int <B>rl_set_paren_blink_timeout</B> <I>(int u)</I> +<DD>Set the time interval (in microseconds) that Readline waits when showing +a balancing character when <CODE>blink-matching-paren</CODE> has been enabled. +</DL> +</P><P> +<A NAME="IDX287"></A> +<DL> +<DT><U>Function:</U> char * <B>rl_get_termcap</B> <I>(const char *cap)</I> +<DD>Retrieve the string value of the termcap capability <VAR>cap</VAR>. +Readline fetches the termcap entry for the current terminal name and +uses those capabilities to move around the screen line and perform other +terminal-specific operations, like erasing a line. Readline does not +use all of a terminal's capabilities, and this function will return +values for only those capabilities Readline uses. +</DL> +</P><P> + +<A NAME="Alternate Interface"></A> +<HR SIZE="6"> +<A NAME="SEC41"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC40"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC42"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC31"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC29"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC43"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 2.4.12 Alternate Interface </H3> +<!--docid::SEC41::--> <P> + An alternate interface is available to plain <CODE>readline()</CODE>. Some applications need to interleave keyboard I/O with file, device, or window system I/O, typically by using a main loop to <CODE>select()</CODE> on various file descriptors. To accomodate this need, readline can also be invoked as a `callback' function from an event loop. There are functions available to make this easy. +</P><P> -</P> -<P> +<A NAME="IDX288"></A> <DL> -<DT><U>Function:</U> void <B>rl_callback_handler_install</B> <I>(char *prompt, Vfunction *lhandler)</I> -<DD><A NAME="IDX180"></A> -Set up the terminal for readline I/O and display the initial +<DT><U>Function:</U> void <B>rl_callback_handler_install</B> <I>(const char *prompt, rl_vcpfunc_t *lhandler)</I> +<DD>Set up the terminal for readline I/O and display the initial expanded value of <VAR>prompt</VAR>. Save the value of <VAR>lhandler</VAR> to -use as a callback when a complete line of input has been entered. +use as a function to call when a complete line of input has been entered. +The function takes the text of the line as an argument. </DL> +</P><P> -</P> -<P> +<A NAME="IDX289"></A> <DL> -<DT><U>Function:</U> void <B>rl_callback_read_char</B> <I>()</I> -<DD><A NAME="IDX181"></A> -Whenever an application determines that keyboard input is available, it +<DT><U>Function:</U> void <B>rl_callback_read_char</B> <I>(void)</I> +<DD>Whenever an application determines that keyboard input is available, it should call <CODE>rl_callback_read_char()</CODE>, which will read the next -character from the current input source. If that character completes the -line, <CODE>rl_callback_read_char</CODE> will invoke the <VAR>lhandler</VAR> -function saved by <CODE>rl_callback_handler_install</CODE> to process the -line. <CODE>EOF</CODE> is indicated by calling <VAR>lhandler</VAR> with a +character from the current input source. +If that character completes the line, <CODE>rl_callback_read_char</CODE> will +invoke the <VAR>lhandler</VAR> function saved by <CODE>rl_callback_handler_install</CODE> +to process the line. +Before calling the <VAR>lhandler</VAR> function, the terminal settings are +reset to the values they had before calling +<CODE>rl_callback_handler_install</CODE>. +If the <VAR>lhandler</VAR> function returns, +the terminal settings are modified for Readline's use again. +<CODE>EOF</CODE> is indicated by calling <VAR>lhandler</VAR> with a <CODE>NULL</CODE> line. </DL> +</P><P> -</P> -<P> +<A NAME="IDX290"></A> <DL> -<DT><U>Function:</U> void <B>rl_callback_handler_remove</B> <I>()</I> -<DD><A NAME="IDX182"></A> -Restore the terminal to its initial state and remove the line handler. +<DT><U>Function:</U> void <B>rl_callback_handler_remove</B> <I>(void)</I> +<DD>Restore the terminal to its initial state and remove the line handler. This may be called from within a callback as well as independently. -</DL> - -</P> - - -<H3><A NAME="SEC39" HREF="readline.html#TOC39">An Example</A></H3> - +If the <VAR>lhandler</VAR> installed by <CODE>rl_callback_handler_install</CODE> +does not exit the program, either this function or the function referred +to by the value of <CODE>rl_deprep_term_function</CODE> should be called before +the program exits to reset the terminal settings. +</DL> +</P><P> + +<A NAME="A Readline Example"></A> +<HR SIZE="6"> +<A NAME="SEC42"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC41"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC43"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC31"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC29"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC43"> >> </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 2.4.13 A Readline Example </H3> +<!--docid::SEC42::--> <P> + Here is a function which changes lowercase characters to their uppercase equivalents, and uppercase characters to lowercase. If this function was bound to <SAMP>`M-c'</SAMP>, then typing <SAMP>`M-c'</SAMP> would change the case of the character under point. Typing <SAMP>`M-1 0 M-c'</SAMP> would change the case of the following 10 characters, leaving the cursor on the last character changed. +</P><P> -</P> - -<PRE> -/* Invert the case of the COUNT following characters. */ +<TABLE><tr><td> </td><td class=example><pre>/* Invert the case of the COUNT following characters. */ int invert_case_line (count, key) int count, key; @@ -2885,209 +3831,254 @@ invert_case_line (count, key) end = temp; } - /* Tell readline that we are modifying the line, so it will save - the undo information. */ + /* Tell readline that we are modifying the line, + so it will save the undo information. */ rl_modifying (start, end); for (i = start; i != end; i++) { - if (uppercase_p (rl_line_buffer[i])) - rl_line_buffer[i] = to_lower (rl_line_buffer[i]); - else if (lowercase_p (rl_line_buffer[i])) - rl_line_buffer[i] = to_upper (rl_line_buffer[i]); + if (_rl_uppercase_p (rl_line_buffer[i])) + rl_line_buffer[i] = _rl_to_lower (rl_line_buffer[i]); + else if (_rl_lowercase_p (rl_line_buffer[i])) + rl_line_buffer[i] = _rl_to_upper (rl_line_buffer[i]); } /* Move point to on top of the last character changed. */ rl_point = (direction == 1) ? end - 1 : start; return (0); } -</PRE> - - - -<H2><A NAME="SEC40" HREF="readline.html#TOC40">Readline Signal Handling</A></H2> - +</pre></td></tr></table></P><P> + +<A NAME="Readline Signal Handling"></A> +<HR SIZE="6"> +<A NAME="SEC43"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC42"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC44"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC44"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC23"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H2> 2.5 Readline Signal Handling </H2> +<!--docid::SEC43::--> <P> + Signals are asynchronous events sent to a process by the Unix kernel, sometimes on behalf of another process. They are intended to indicate -exceptional events, like a user pressing the interrupt key on his -terminal, or a network connection being broken. There is a class of -signals that can be sent to the process currently reading input from -the keyboard. Since Readline changes the terminal attributes when it -is called, it needs to perform special processing when a signal is -received to restore the terminal to a sane state, or provide application -writers with functions to do so manually. +exceptional events, like a user pressing the interrupt key on his terminal, +or a network connection being broken. There is a class of signals that can +be sent to the process currently reading input from the keyboard. Since +Readline changes the terminal attributes when it is called, it needs to +perform special processing when such a signal is received in order to +restore the terminal to a sane state, or provide application writers with +functions to do so manually. +</P><P> -</P> -<P> Readline contains an internal signal handler that is installed for a number of signals (<CODE>SIGINT</CODE>, <CODE>SIGQUIT</CODE>, <CODE>SIGTERM</CODE>, <CODE>SIGALRM</CODE>, <CODE>SIGTSTP</CODE>, <CODE>SIGTTIN</CODE>, and <CODE>SIGTTOU</CODE>). When one of these signals is received, the signal handler will reset the terminal attributes to those that were in effect before -<CODE>readline ()</CODE> was called, reset the signal handling to what it was -before <CODE>readline ()</CODE> was called, and resend the signal to the calling +<CODE>readline()</CODE> was called, reset the signal handling to what it was +before <CODE>readline()</CODE> was called, and resend the signal to the calling application. If and when the calling application's signal handler returns, Readline will reinitialize the terminal and continue to accept input. When a <CODE>SIGINT</CODE> is received, the Readline signal handler performs some additional work, which will cause any partially-entered line to be -aborted (see the description of <CODE>rl_free_line_state ()</CODE>). +aborted (see the description of <CODE>rl_free_line_state()</CODE> below). +</P><P> -</P> -<P> There is an additional Readline signal handler, for <CODE>SIGWINCH</CODE>, which the kernel sends to a process whenever the terminal's size changes (for example, if a user resizes an <CODE>xterm</CODE>). The Readline <CODE>SIGWINCH</CODE> -handler updates Readline's internal screen size state, and then calls any -<CODE>SIGWINCH</CODE> signal handler the calling application has installed. +handler updates Readline's internal screen size information, and then calls +any <CODE>SIGWINCH</CODE> signal handler the calling application has installed. Readline calls the application's <CODE>SIGWINCH</CODE> signal handler without resetting the terminal to its original state. If the application's signal handler does more than update its idea of the terminal size and return (for example, a <CODE>longjmp</CODE> back to a main processing loop), it <EM>must</EM> -call <CODE>rl_cleanup_after_signal ()</CODE> (described below), to restore the +call <CODE>rl_cleanup_after_signal()</CODE> (described below), to restore the terminal state. +</P><P> -</P> -<P> Readline provides two variables that allow application writers to control whether or not it will catch certain signals and act on them when they are received. It is important that applications change the -values of these variables only when calling <CODE>readline ()</CODE>, not in +values of these variables only when calling <CODE>readline()</CODE>, not in a signal handler, so Readline's internal signal state is not corrupted. +</P><P> -</P> -<P> +<A NAME="IDX291"></A> <DL> <DT><U>Variable:</U> int <B>rl_catch_signals</B> -<DD><A NAME="IDX183"></A> -If this variable is non-zero, Readline will install signal handlers for +<DD>If this variable is non-zero, Readline will install signal handlers for <CODE>SIGINT</CODE>, <CODE>SIGQUIT</CODE>, <CODE>SIGTERM</CODE>, <CODE>SIGALRM</CODE>, <CODE>SIGTSTP</CODE>, <CODE>SIGTTIN</CODE>, and <CODE>SIGTTOU</CODE>. +</P><P> -</P> -<P> The default value of <CODE>rl_catch_signals</CODE> is 1. </DL> +</P><P> -</P> -<P> +<A NAME="IDX292"></A> <DL> <DT><U>Variable:</U> int <B>rl_catch_sigwinch</B> -<DD><A NAME="IDX184"></A> -If this variable is non-zero, Readline will install a signal handler for +<DD>If this variable is non-zero, Readline will install a signal handler for <CODE>SIGWINCH</CODE>. +</P><P> -</P> -<P> The default value of <CODE>rl_catch_sigwinch</CODE> is 1. </DL> +</P><P> -</P> -<P> If an application does not wish to have Readline catch any signals, or to handle signals other than those Readline catches (<CODE>SIGHUP</CODE>, for example), Readline provides convenience functions to do the necessary terminal and internal state cleanup upon receipt of a signal. +</P><P> -</P> -<P> +<A NAME="IDX293"></A> <DL> <DT><U>Function:</U> void <B>rl_cleanup_after_signal</B> <I>(void)</I> -<DD><A NAME="IDX185"></A> -This function will reset the state of the terminal to what it was before -<CODE>readline ()</CODE> was called, and remove the Readline signal handlers for +<DD>This function will reset the state of the terminal to what it was before +<CODE>readline()</CODE> was called, and remove the Readline signal handlers for all signals, depending on the values of <CODE>rl_catch_signals</CODE> and <CODE>rl_catch_sigwinch</CODE>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX294"></A> <DL> <DT><U>Function:</U> void <B>rl_free_line_state</B> <I>(void)</I> -<DD><A NAME="IDX186"></A> -This will free any partial state associated with the current input line +<DD>This will free any partial state associated with the current input line (undo information, any partial history entry, any partially-entered keyboard macro, and any partially-entered numeric argument). This -should be called before <CODE>rl_cleanup_after_signal ()</CODE>. The +should be called before <CODE>rl_cleanup_after_signal()</CODE>. The Readline signal handler for <CODE>SIGINT</CODE> calls this to abort the current input line. </DL> +</P><P> -</P> -<P> +<A NAME="IDX295"></A> <DL> <DT><U>Function:</U> void <B>rl_reset_after_signal</B> <I>(void)</I> -<DD><A NAME="IDX187"></A> -This will reinitialize the terminal and reinstall any Readline signal +<DD>This will reinitialize the terminal and reinstall any Readline signal handlers, depending on the values of <CODE>rl_catch_signals</CODE> and <CODE>rl_catch_sigwinch</CODE>. </DL> +</P><P> -</P> -<P> If an application does not wish Readline to catch <CODE>SIGWINCH</CODE>, it may -call <CODE>rl_resize_terminal ()</CODE> to force Readline to update its idea of -the terminal size when a <CODE>SIGWINCH</CODE> is received. +call <CODE>rl_resize_terminal()</CODE> or <CODE>rl_set_screen_size()</CODE> to force +Readline to update its idea of the terminal size when a <CODE>SIGWINCH</CODE> +is received. +</P><P> -</P> -<P> +<A NAME="IDX296"></A> <DL> <DT><U>Function:</U> void <B>rl_resize_terminal</B> <I>(void)</I> -<DD><A NAME="IDX188"></A> -Update Readline's internal screen size. +<DD>Update Readline's internal screen size by reading values from the kernel. </DL> +</P><P> + +<A NAME="IDX297"></A> +<DL> +<DT><U>Function:</U> void <B>rl_set_screen_size</B> <I>(int rows, int cols)</I> +<DD>Set Readline's idea of the terminal size to <VAR>rows</VAR> rows and +<VAR>cols</VAR> columns. +</DL> +</P><P> + +If an application does not want to install a <CODE>SIGWINCH</CODE> handler, but +is still interested in the screen dimensions, Readline's idea of the screen +size may be queried. +</P><P> + +<A NAME="IDX298"></A> +<DL> +<DT><U>Function:</U> void <B>rl_get_screen_size</B> <I>(int *rows, int *cols)</I> +<DD>Return Readline's idea of the terminal's size in the +variables pointed to by the arguments. +</DL> +</P><P> -</P> -<P> The following functions install and remove Readline's signal handlers. +</P><P> -</P> -<P> +<A NAME="IDX299"></A> <DL> <DT><U>Function:</U> int <B>rl_set_signals</B> <I>(void)</I> -<DD><A NAME="IDX189"></A> -Install Readline's signal handler for <CODE>SIGINT</CODE>, <CODE>SIGQUIT</CODE>, +<DD>Install Readline's signal handler for <CODE>SIGINT</CODE>, <CODE>SIGQUIT</CODE>, <CODE>SIGTERM</CODE>, <CODE>SIGALRM</CODE>, <CODE>SIGTSTP</CODE>, <CODE>SIGTTIN</CODE>, <CODE>SIGTTOU</CODE>, and <CODE>SIGWINCH</CODE>, depending on the values of <CODE>rl_catch_signals</CODE> and <CODE>rl_catch_sigwinch</CODE>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX300"></A> <DL> <DT><U>Function:</U> int <B>rl_clear_signals</B> <I>(void)</I> -<DD><A NAME="IDX190"></A> -Remove all of the Readline signal handlers installed by -<CODE>rl_set_signals ()</CODE>. -</DL> - -</P> - - -<H2><A NAME="SEC41" HREF="readline.html#TOC41">Custom Completers</A></H2> - +<DD>Remove all of the Readline signal handlers installed by +<CODE>rl_set_signals()</CODE>. +</DL> +</P><P> + +<A NAME="Custom Completers"></A> +<HR SIZE="6"> +<A NAME="SEC44"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC43"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC45"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[ << ]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC23"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H2> 2.6 Custom Completers </H2> +<!--docid::SEC44::--> <P> + Typically, a program that reads commands from the user has a way of disambiguating commands and data. If your program is one of these, then it can provide completion for commands, data, or both. The following sections describe how your program and Readline cooperate to provide this service. - -</P> - -<UL> -<LI><A HREF="readline.html#SEC42">How Completing Works</A>: The logic used to do completion. -<LI><A HREF="readline.html#SEC43">Completion Functions</A>: Functions provided by Readline. -<LI><A HREF="readline.html#SEC44">Completion Variables</A>: Variables which control completion. -<LI><A HREF="readline.html#SEC45">A Short Completion Example</A>: An example of writing completer subroutines. -</UL> - - - -<H3><A NAME="SEC42" HREF="readline.html#TOC42">How Completing Works</A></H3> - +</P><P> + +<BLOCKQUOTE><TABLE BORDER=0 CELLSPACING=0> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC45">2.6.1 How Completing Works</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">The logic used to do completion.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC46">2.6.2 Completion Functions</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Functions provided by Readline.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">Variables which control completion.</TD></TR> +<TR><TD ALIGN="left" VALIGN="TOP"><A HREF="readline.html#SEC48">2.6.4 A Short Completion Example</A></TD><TD> </TD><TD ALIGN="left" VALIGN="TOP">An example of writing completer subroutines.</TD></TR> +</TABLE></BLOCKQUOTE> +<P> + +<A NAME="How Completing Works"></A> +<HR SIZE="6"> +<A NAME="SEC45"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC44"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC46"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[ << ]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC44"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 2.6.1 How Completing Works </H3> +<!--docid::SEC45::--> <P> + In order to complete some text, the full list of possible completions must be available. That is, it is not possible to accurately expand a partial word without knowing all of the possible words @@ -3096,204 +4087,233 @@ the user interface to completion, and two of the most common completion functions: filename and username. For completing other types of text, you must write your own completion function. This section describes exactly what such functions must do, and provides an example. +</P><P> -</P> -<P> There are three major functions used to perform completion: - -</P> +</P><P> <OL> <LI> - -The user-interface function <CODE>rl_complete ()</CODE>. This function is -called with the same arguments as other Readline -functions intended for interactive use: <VAR>count</VAR> and -<VAR>invoking_key</VAR>. It isolates the word to be completed and calls -<CODE>completion_matches ()</CODE> to generate a list of possible completions. +The user-interface function <CODE>rl_complete()</CODE>. This function is +called with the same arguments as other bindable Readline functions: +<VAR>count</VAR> and <VAR>invoking_key</VAR>. +It isolates the word to be completed and calls +<CODE>rl_completion_matches()</CODE> to generate a list of possible completions. It then either lists the possible completions, inserts the possible completions, or actually performs the completion, depending on which behavior is desired. +<P> <LI> - -The internal function <CODE>completion_matches ()</CODE> uses your -<EM>generator</EM> function to generate the list of possible matches, and -then returns the array of these matches. You should place the address -of your generator function in <CODE>rl_completion_entry_function</CODE>. +The internal function <CODE>rl_completion_matches()</CODE> uses an +application-supplied <EM>generator</EM> function to generate the list of +possible matches, and then returns the array of these matches. +The caller should place the address of its generator function in +<CODE>rl_completion_entry_function</CODE>. +<P> <LI> - The generator function is called repeatedly from -<CODE>completion_matches ()</CODE>, returning a string each time. The +<CODE>rl_completion_matches()</CODE>, returning a string each time. The arguments to the generator function are <VAR>text</VAR> and <VAR>state</VAR>. <VAR>text</VAR> is the partial word to be completed. <VAR>state</VAR> is zero the first time the function is called, allowing the generator to perform any necessary initialization, and a positive non-zero integer for -each subsequent call. When the generator function returns -<CODE>(char *)NULL</CODE> this signals <CODE>completion_matches ()</CODE> that there are +each subsequent call. The generator function returns +<CODE>(char *)NULL</CODE> to inform <CODE>rl_completion_matches()</CODE> that there are no more possibilities left. Usually the generator function computes the list of possible completions when <VAR>state</VAR> is zero, and returns them one at a time on subsequent calls. Each string the generator function returns as a match must be allocated with <CODE>malloc()</CODE>; Readline frees the strings when it has finished with them. +<P> </OL> - <P> + +<A NAME="IDX301"></A> <DL> <DT><U>Function:</U> int <B>rl_complete</B> <I>(int ignore, int invoking_key)</I> -<DD><A NAME="IDX191"></A> -Complete the word at or before point. You have supplied the function +<DD>Complete the word at or before point. You have supplied the function that does the initial simple matching selection algorithm (see -<CODE>completion_matches ()</CODE>). The default is to do filename completion. +<CODE>rl_completion_matches()</CODE>). The default is to do filename completion. </DL> +</P><P> -</P> -<P> +<A NAME="IDX302"></A> <DL> -<DT><U>Variable:</U> Function * <B>rl_completion_entry_function</B> -<DD><A NAME="IDX192"></A> -This is a pointer to the generator function for <CODE>completion_matches -()</CODE>. If the value of <CODE>rl_completion_entry_function</CODE> is -<CODE>(Function *)NULL</CODE> then the default filename generator function, -<CODE>filename_completion_function ()</CODE>, is used. -</DL> - -</P> - - -<H3><A NAME="SEC43" HREF="readline.html#TOC43">Completion Functions</A></H3> - +<DT><U>Variable:</U> rl_compentry_func_t * <B>rl_completion_entry_function</B> +<DD>This is a pointer to the generator function for +<CODE>rl_completion_matches()</CODE>. +If the value of <CODE>rl_completion_entry_function</CODE> is +<CODE>NULL</CODE> then the default filename generator +function, <CODE>rl_filename_completion_function()</CODE>, is used. +</DL> +</P><P> + +<A NAME="Completion Functions"></A> +<HR SIZE="6"> +<A NAME="SEC46"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC45"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC47"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC47"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC44"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 2.6.2 Completion Functions </H3> +<!--docid::SEC46::--> <P> + Here is the complete list of callable completion functions present in Readline. +</P><P> -</P> -<P> +<A NAME="IDX303"></A> <DL> <DT><U>Function:</U> int <B>rl_complete_internal</B> <I>(int what_to_do)</I> -<DD><A NAME="IDX193"></A> -Complete the word at or before point. <VAR>what_to_do</VAR> says what to do +<DD>Complete the word at or before point. <VAR>what_to_do</VAR> says what to do with the completion. A value of <SAMP>`?'</SAMP> means list the possible completions. <SAMP>`TAB'</SAMP> means do standard completion. <SAMP>`*'</SAMP> means insert all of the possible completions. <SAMP>`!'</SAMP> means to display all of the possible completions, if there is more than one, as well as performing partial completion. </DL> +</P><P> -</P> -<P> +<A NAME="IDX304"></A> <DL> <DT><U>Function:</U> int <B>rl_complete</B> <I>(int ignore, int invoking_key)</I> -<DD><A NAME="IDX194"></A> -Complete the word at or before point. You have supplied the function +<DD>Complete the word at or before point. You have supplied the function that does the initial simple matching selection algorithm (see -<CODE>completion_matches ()</CODE> and <CODE>rl_completion_entry_function</CODE>). +<CODE>rl_completion_matches()</CODE> and <CODE>rl_completion_entry_function</CODE>). The default is to do filename -completion. This calls <CODE>rl_complete_internal ()</CODE> with an +completion. This calls <CODE>rl_complete_internal()</CODE> with an argument depending on <VAR>invoking_key</VAR>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX305"></A> <DL> -<DT><U>Function:</U> int <B>rl_possible_completions</B> <I>(int count, int invoking_key))</I> -<DD><A NAME="IDX195"></A> -List the possible completions. See description of <CODE>rl_complete -()</CODE>. This calls <CODE>rl_complete_internal ()</CODE> with an argument of +<DT><U>Function:</U> int <B>rl_possible_completions</B> <I>(int count, int invoking_key)</I> +<DD>List the possible completions. See description of <CODE>rl_complete +()</CODE>. This calls <CODE>rl_complete_internal()</CODE> with an argument of <SAMP>`?'</SAMP>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX306"></A> <DL> -<DT><U>Function:</U> int <B>rl_insert_completions</B> <I>(int count, int invoking_key))</I> -<DD><A NAME="IDX196"></A> -Insert the list of possible completions into the line, deleting the -partially-completed word. See description of <CODE>rl_complete ()</CODE>. -This calls <CODE>rl_complete_internal ()</CODE> with an argument of <SAMP>`*'</SAMP>. +<DT><U>Function:</U> int <B>rl_insert_completions</B> <I>(int count, int invoking_key)</I> +<DD>Insert the list of possible completions into the line, deleting the +partially-completed word. See description of <CODE>rl_complete()</CODE>. +This calls <CODE>rl_complete_internal()</CODE> with an argument of <SAMP>`*'</SAMP>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX307"></A> +<DL> +<DT><U>Function:</U> int <B>rl_completion_mode</B> <I>(rl_command_func_t *cfunc)</I> +<DD>Returns the apppriate value to pass to <CODE>rl_complete_internal()</CODE> +depending on whether <VAR>cfunc</VAR> was called twice in succession and +the value of the <CODE>show-all-if-ambiguous</CODE> variable. +Application-specific completion functions may use this function to present +the same interface as <CODE>rl_complete()</CODE>. +</DL> +</P><P> + +<A NAME="IDX308"></A> <DL> -<DT><U>Function:</U> char ** <B>completion_matches</B> <I>(char *text, CPFunction *entry_func)</I> -<DD><A NAME="IDX197"></A> -Returns an array of <CODE>(char *)</CODE> which is a list of completions for -<VAR>text</VAR>. If there are no completions, returns <CODE>(char **)NULL</CODE>. +<DT><U>Function:</U> char ** <B>rl_completion_matches</B> <I>(const char *text, rl_compentry_func_t *entry_func)</I> +<DD>Returns an array of strings which is a list of completions for +<VAR>text</VAR>. If there are no completions, returns <CODE>NULL</CODE>. The first entry in the returned array is the substitution for <VAR>text</VAR>. The remaining entries are the possible completions. The array is terminated with a <CODE>NULL</CODE> pointer. +</P><P> -</P> -<P> <VAR>entry_func</VAR> is a function of two args, and returns a -<CODE>(char *)</CODE>. The first argument is <VAR>text</VAR>. The second is a +<CODE>char *</CODE>. The first argument is <VAR>text</VAR>. The second is a state argument; it is zero on the first call, and non-zero on subsequent calls. <VAR>entry_func</VAR> returns a <CODE>NULL</CODE> pointer to the caller when there are no more matches. </DL> +</P><P> -</P> -<P> +<A NAME="IDX309"></A> <DL> -<DT><U>Function:</U> char * <B>filename_completion_function</B> <I>(char *text, int state)</I> -<DD><A NAME="IDX198"></A> -A generator function for filename completion in the general case. Note -that completion in Bash is a little different because of all -the pathnames that must be followed when looking up completions for a -command. The Bash source is a useful reference for writing custom -completion functions. +<DT><U>Function:</U> char * <B>rl_filename_completion_function</B> <I>(const char *text, int state)</I> +<DD>A generator function for filename completion in the general case. +<VAR>text</VAR> is a partial filename. +The Bash source is a useful reference for writing custom +completion functions (the Bash completion functions call this and other +Readline functions). </DL> +</P><P> -</P> -<P> +<A NAME="IDX310"></A> <DL> -<DT><U>Function:</U> char * <B>username_completion_function</B> <I>(char *text, int state)</I> -<DD><A NAME="IDX199"></A> -A completion generator for usernames. <VAR>text</VAR> contains a partial +<DT><U>Function:</U> char * <B>rl_username_completion_function</B> <I>(const char *text, int state)</I> +<DD>A completion generator for usernames. <VAR>text</VAR> contains a partial username preceded by a random character (usually <SAMP>`~'</SAMP>). As with all completion generators, <VAR>state</VAR> is zero on the first call and non-zero for subsequent calls. </DL> - -</P> - - -<H3><A NAME="SEC44" HREF="readline.html#TOC44">Completion Variables</A></H3> - -<P> +</P><P> + +<A NAME="Completion Variables"></A> +<HR SIZE="6"> +<A NAME="SEC47"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC46"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC48"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC48"> << </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC44"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 2.6.3 Completion Variables </H3> +<!--docid::SEC47::--> +<P> + +<A NAME="IDX311"></A> <DL> -<DT><U>Variable:</U> Function * <B>rl_completion_entry_function</B> -<DD><A NAME="IDX200"></A> -A pointer to the generator function for <CODE>completion_matches ()</CODE>. -<CODE>NULL</CODE> means to use <CODE>filename_completion_function ()</CODE>, the default +<DT><U>Variable:</U> rl_compentry_func_t * <B>rl_completion_entry_function</B> +<DD>A pointer to the generator function for <CODE>rl_completion_matches()</CODE>. +<CODE>NULL</CODE> means to use <CODE>rl_filename_completion_function()</CODE>, the default filename completer. </DL> +</P><P> -</P> -<P> +<A NAME="IDX312"></A> <DL> -<DT><U>Variable:</U> CPPFunction * <B>rl_attempted_completion_function</B> -<DD><A NAME="IDX201"></A> -A pointer to an alternative function to create matches. +<DT><U>Variable:</U> rl_completion_func_t * <B>rl_attempted_completion_function</B> +<DD>A pointer to an alternative function to create matches. The function is called with <VAR>text</VAR>, <VAR>start</VAR>, and <VAR>end</VAR>. -<VAR>start</VAR> and <VAR>end</VAR> are indices in <CODE>rl_line_buffer</CODE> saying -what the boundaries of <VAR>text</VAR> are. If this function exists and -returns <CODE>NULL</CODE>, or if this variable is set to <CODE>NULL</CODE>, then -<CODE>rl_complete ()</CODE> will call the value of +<VAR>start</VAR> and <VAR>end</VAR> are indices in <CODE>rl_line_buffer</CODE> defining +the boundaries of <VAR>text</VAR>, which is a character string. +If this function exists and returns <CODE>NULL</CODE>, or if this variable is +set to <CODE>NULL</CODE>, then <CODE>rl_complete()</CODE> will call the value of <CODE>rl_completion_entry_function</CODE> to generate matches, otherwise the array of strings returned will be used. +If this function sets the <CODE>rl_attempted_completion_over</CODE> +variable to a non-zero value, Readline will not perform its default +completion even if this function returns no matches. </DL> +</P><P> -</P> -<P> +<A NAME="IDX313"></A> <DL> -<DT><U>Variable:</U> CPFunction * <B>rl_filename_quoting_function</B> -<DD><A NAME="IDX202"></A> -A pointer to a function that will quote a filename in an application- -specific fashion. This is called if filename completion is being +<DT><U>Variable:</U> rl_quote_func_t * <B>rl_filename_quoting_function</B> +<DD>A pointer to a function that will quote a filename in an +application-specific fashion. This is called if filename completion is being attempted and one of the characters in <CODE>rl_filename_quote_characters</CODE> appears in a completed filename. The function is called with <VAR>text</VAR>, <VAR>match_type</VAR>, and <VAR>quote_pointer</VAR>. The <VAR>text</VAR> @@ -3304,13 +4324,12 @@ insert a closing quote character. The <VAR>quote_pointer</VAR> is a pointer to any opening quote character the user typed. Some functions choose to reset this character. </DL> +</P><P> -</P> -<P> +<A NAME="IDX314"></A> <DL> -<DT><U>Variable:</U> CPFunction * <B>rl_filename_dequoting_function</B> -<DD><A NAME="IDX203"></A> -A pointer to a function that will remove application-specific quoting +<DT><U>Variable:</U> rl_dequote_func_t * <B>rl_filename_dequoting_function</B> +<DD>A pointer to a function that will remove application-specific quoting characters from a filename before completion is attempted, so those characters do not interfere with matching the text against names in the filesystem. It is called with <VAR>text</VAR>, the text of the word @@ -3318,98 +4337,135 @@ to be dequoted, and <VAR>quote_char</VAR>, which is the quoting character that delimits the filename (usually <SAMP>`''</SAMP> or <SAMP>`"'</SAMP>). If <VAR>quote_char</VAR> is zero, the filename was not in an embedded string. </DL> +</P><P> -</P> -<P> +<A NAME="IDX315"></A> <DL> -<DT><U>Variable:</U> Function * <B>rl_char_is_quoted_p</B> -<DD><A NAME="IDX204"></A> -A pointer to a function to call that determines whether or not a specific +<DT><U>Variable:</U> rl_linebuf_func_t * <B>rl_char_is_quoted_p</B> +<DD>A pointer to a function to call that determines whether or not a specific character in the line buffer is quoted, according to whatever quoting -mechanism the program calling readline uses. The function is called with +mechanism the program calling Readline uses. The function is called with two arguments: <VAR>text</VAR>, the text of the line, and <VAR>index</VAR>, the index of the character in the line. It is used to decide whether a character found in <CODE>rl_completer_word_break_characters</CODE> should be used to break words for the completer. </DL> +</P><P> -</P> -<P> +<A NAME="IDX316"></A> <DL> -<DT><U>Variable:</U> int <B>rl_completion_query_items</B> -<DD><A NAME="IDX205"></A> -Up to this many items will be displayed in response to a -possible-completions call. After that, we ask the user if she is sure -she wants to see them all. The default value is 100. +<DT><U>Variable:</U> rl_compignore_func_t * <B>rl_ignore_some_completions_function</B> +<DD>This function, if defined, is called by the completer when real filename +completion is done, after all the matching names have been generated. +It is passed a <CODE>NULL</CODE> terminated array of matches. +The first element (<CODE>matches[0]</CODE>) is the +maximal substring common to all matches. This function can +re-arrange the list of matches as required, but each element deleted +from the array must be freed. </DL> +</P><P> -</P> -<P> +<A NAME="IDX317"></A> +<DL> +<DT><U>Variable:</U> rl_icppfunc_t * <B>rl_directory_completion_hook</B> +<DD>This function, if defined, is allowed to modify the directory portion +of filenames Readline completes. It is called with the address of a +string (the current directory name) as an argument, and may modify that string. +If the string is replaced with a new string, the old value should be freed. +Any modified directory name should have a trailing slash. +The modified value will be displayed as part of the completion, replacing +the directory portion of the pathname the user typed. +It returns an integer that should be non-zero if the function modifies +its directory argument. +It could be used to expand symbolic links or shell variables in pathnames. +</DL> +</P><P> + +<A NAME="IDX318"></A> <DL> -<DT><U>Variable:</U> char * <B>rl_basic_word_break_characters</B> -<DD><A NAME="IDX206"></A> -The basic list of characters that signal a break between words for the +<DT><U>Variable:</U> rl_compdisp_func_t * <B>rl_completion_display_matches_hook</B> +<DD>If non-zero, then this is the address of a function to call when +completing a word would normally display the list of possible matches. +This function is called in lieu of Readline displaying the list. +It takes three arguments: +(<CODE>char **</CODE><VAR>matches</VAR>, <CODE>int</CODE> <VAR>num_matches</VAR>, <CODE>int</CODE> <VAR>max_length</VAR>) +where <VAR>matches</VAR> is the array of matching strings, +<VAR>num_matches</VAR> is the number of strings in that array, and +<VAR>max_length</VAR> is the length of the longest string in that array. +Readline provides a convenience function, <CODE>rl_display_match_list</CODE>, +that takes care of doing the display to Readline's output stream. That +function may be called from this hook. +</DL> +</P><P> + +<A NAME="IDX319"></A> +<DL> +<DT><U>Variable:</U> const char * <B>rl_basic_word_break_characters</B> +<DD>The basic list of characters that signal a break between words for the completer routine. The default value of this variable is the characters -which break words for completion in Bash, i.e., -<CODE>" \t\n\"\\'`@$><=;|&{("</CODE>. +which break words for completion in Bash: +<CODE>" \t\n\"\\'`@$><=;|&{("</CODE>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX320"></A> <DL> -<DT><U>Variable:</U> char * <B>rl_basic_quote_characters</B> -<DD><A NAME="IDX207"></A> -List of quote characters which can cause a word break. +<DT><U>Variable:</U> const char * <B>rl_basic_quote_characters</B> +<DD>A list of quote characters which can cause a word break. </DL> +</P><P> -</P> -<P> +<A NAME="IDX321"></A> <DL> -<DT><U>Variable:</U> char * <B>rl_completer_word_break_characters</B> -<DD><A NAME="IDX208"></A> -The list of characters that signal a break between words for -<CODE>rl_complete_internal ()</CODE>. The default list is the value of +<DT><U>Variable:</U> const char * <B>rl_completer_word_break_characters</B> +<DD>The list of characters that signal a break between words for +<CODE>rl_complete_internal()</CODE>. The default list is the value of <CODE>rl_basic_word_break_characters</CODE>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX322"></A> <DL> -<DT><U>Variable:</U> char * <B>rl_completer_quote_characters</B> -<DD><A NAME="IDX209"></A> -List of characters which can be used to quote a substring of the line. +<DT><U>Variable:</U> const char * <B>rl_completer_quote_characters</B> +<DD>A list of characters which can be used to quote a substring of the line. Completion occurs on the entire substring, and within the substring <CODE>rl_completer_word_break_characters</CODE> are treated as any other character, unless they also appear within this list. </DL> +</P><P> -</P> -<P> +<A NAME="IDX323"></A> <DL> -<DT><U>Variable:</U> char * <B>rl_filename_quote_characters</B> -<DD><A NAME="IDX210"></A> -A list of characters that cause a filename to be quoted by the completer +<DT><U>Variable:</U> const char * <B>rl_filename_quote_characters</B> +<DD>A list of characters that cause a filename to be quoted by the completer when they appear in a completed filename. The default is the null string. </DL> +</P><P> -</P> -<P> +<A NAME="IDX324"></A> <DL> -<DT><U>Variable:</U> char * <B>rl_special_prefixes</B> -<DD><A NAME="IDX211"></A> -The list of characters that are word break characters, but should be +<DT><U>Variable:</U> const char * <B>rl_special_prefixes</B> +<DD>The list of characters that are word break characters, but should be left in <VAR>text</VAR> when it is passed to the completion function. Programs can use this to help determine what kind of completing to do. For instance, Bash sets this variable to "$@" so that it can complete shell variables and hostnames. </DL> +</P><P> -</P> -<P> +<A NAME="IDX325"></A> +<DL> +<DT><U>Variable:</U> int <B>rl_completion_query_items</B> +<DD>Up to this many items will be displayed in response to a +possible-completions call. After that, we ask the user if she is sure +she wants to see them all. The default value is 100. +</DL> +</P><P> + +<A NAME="IDX326"></A> <DL> <DT><U>Variable:</U> int <B>rl_completion_append_character</B> -<DD><A NAME="IDX212"></A> -When a single completion alternative matches at the end of the command +<DD>When a single completion alternative matches at the end of the command line, this character is appended to the inserted completion text. The default is a space character (<SAMP>` '</SAMP>). Setting this to the null character (<SAMP>`\0'</SAMP>) prevents anything being appended automatically. @@ -3417,34 +4473,57 @@ This can be changed in custom completion functions to provide the "most sensible word separator character" according to an application-specific command line syntax specification. </DL> +</P><P> -</P> -<P> +<A NAME="IDX327"></A> +<DL> +<DT><U>Variable:</U> int <B>rl_completion_suppress_append</B> +<DD>If non-zero, <VAR>rl_completion_append_character</VAR> is not appended to +matches at the end of the command line, as described above. It is +set to 0 before any application-specific completion function is called. +</DL> +</P><P> + +<A NAME="IDX328"></A> +<DL> +<DT><U>Variable:</U> int <B>rl_completion_mark_symlink_dirs</B> +<DD>If non-zero, a slash will be appended to completed filenames that are +symbolic links to directory names, subject to the value of the +user-settable <VAR>mark-directories</VAR> variable. +This variable exists so that application completion functions can +override the user's global preference (set via the +<VAR>mark-symlinked-directories</VAR> Readline variable) if appropriate. +This variable is set to the user's preference before any +application completion function is called, so unless that function +modifies the value, the user's preferences are honored. +</DL> +</P><P> + +<A NAME="IDX329"></A> <DL> <DT><U>Variable:</U> int <B>rl_ignore_completion_duplicates</B> -<DD><A NAME="IDX213"></A> -If non-zero, then disallow duplicates in the matches. Default is 1. +<DD>If non-zero, then duplicates in the matches are removed. +The default is 1. </DL> +</P><P> -</P> -<P> +<A NAME="IDX330"></A> <DL> <DT><U>Variable:</U> int <B>rl_filename_completion_desired</B> -<DD><A NAME="IDX214"></A> -Non-zero means that the results of the matches are to be treated as +<DD>Non-zero means that the results of the matches are to be treated as filenames. This is <EM>always</EM> zero on entry, and can only be changed within a completion entry generator function. If it is set to a non-zero value, directory names have a slash appended and Readline attempts to -quote completed filenames if they contain any embedded word break -characters. +quote completed filenames if they contain any characters in +<CODE>rl_filename_quote_characters</CODE> and <CODE>rl_filename_quoting_desired</CODE> +is set to a non-zero value. </DL> +</P><P> -</P> -<P> +<A NAME="IDX331"></A> <DL> <DT><U>Variable:</U> int <B>rl_filename_quoting_desired</B> -<DD><A NAME="IDX215"></A> -Non-zero means that the results of the matches are to be quoted using +<DD>Non-zero means that the results of the matches are to be quoted using double quotes (or an application-specific quoting mechanism) if the completed filename contains any characters in <CODE>rl_filename_quote_chars</CODE>. This is <EM>always</EM> non-zero @@ -3452,75 +4531,62 @@ on entry, and can only be changed within a completion entry generator function. The quoting is effected via a call to the function pointed to by <CODE>rl_filename_quoting_function</CODE>. </DL> +</P><P> -</P> -<P> +<A NAME="IDX332"></A> <DL> -<DT><U>Variable:</U> int <B>rl_inhibit_completion</B> -<DD><A NAME="IDX216"></A> -If this variable is non-zero, completion is inhibit<ed. The completion -character will be inserted as any other bound to <CODE>self-insert</CODE>. +<DT><U>Variable:</U> int <B>rl_attempted_completion_over</B> +<DD>If an application-specific completion function assigned to +<CODE>rl_attempted_completion_function</CODE> sets this variable to a non-zero +value, Readline will not perform its default filename completion even +if the application's completion function returns no matches. +It should be set only by an application's completion function. </DL> +</P><P> -</P> -<P> +<A NAME="IDX333"></A> <DL> -<DT><U>Variable:</U> Function * <B>rl_ignore_some_completions_function</B> -<DD><A NAME="IDX217"></A> -This function, if defined, is called by the completer when real filename -completion is done, after all the matching names have been generated. -It is passed a <CODE>NULL</CODE> terminated array of matches. -The first element (<CODE>matches[0]</CODE>) is the -maximal substring common to all matches. This function can -re-arrange the list of matches as required, but each element deleted -from the array must be freed. +<DT><U>Variable:</U> int <B>rl_completion_type</B> +<DD>Set to a character describing the type of completion Readline is currently +attempting; see the description of <CODE>rl_complete_internal()</CODE> +(see section <A HREF="readline.html#SEC46">2.6.2 Completion Functions</A>) for the list of characters. </DL> +</P><P> -</P> -<P> +<A NAME="IDX334"></A> <DL> -<DT><U>Variable:</U> Function * <B>rl_directory_completion_hook</B> -<DD><A NAME="IDX218"></A> -This function, if defined, is allowed to modify the directory portion -of filenames Readline completes. It is called with the address of a -string (the current directory name) as an argument. It could be used -to expand symbolic links or shell variables in pathnames. +<DT><U>Variable:</U> int <B>rl_inhibit_completion</B> +<DD>If this variable is non-zero, completion is inhibited. The completion +character will be inserted as any other bound to <CODE>self-insert</CODE>. </DL> - -</P> +</P><P> + +<A NAME="A Short Completion Example"></A> +<HR SIZE="6"> +<A NAME="SEC48"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC47"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[ << ]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC44"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H3> 2.6.4 A Short Completion Example </H3> +<!--docid::SEC48::--> <P> -<DL> -<DT><U>Variable:</U> VFunction * <B>rl_completion_display_matches_hook</B> -<DD><A NAME="IDX219"></A> -If non-zero, then this is the address of a function to call when -completing a word would normally display the list of possible matches. -This function is called in lieu of Readline displaying the list. -It takes three arguments: -(<CODE>char **</CODE><VAR>matches</VAR>, <CODE>int</CODE> <VAR>num_matches</VAR>, <CODE>int</CODE> <VAR>max_length</VAR>) -where <VAR>matches</VAR> is the array of matching strings, -<VAR>num_matches</VAR> is the number of strings in that array, and -<VAR>max_length</VAR> is the length of the longest string in that array. -Readline provides a convenience function, <CODE>rl_display_match_list</CODE>, -that takes care of doing the display to Readline's output stream. That -function may be called from this hook. -</DL> - -</P> - -<H3><A NAME="SEC45" HREF="readline.html#TOC45">A Short Completion Example</A></H3> - -<P> Here is a small application demonstrating the use of the GNU Readline library. It is called <CODE>fileman</CODE>, and the source code resides in <TT>`examples/fileman.c'</TT>. This sample application provides completion of command names, line editing features, and access to the history list. +</P><P> -</P> - -<PRE> -/* fileman.c -- A tiny application which demonstrates how to use the +<TABLE><tr><td> </td><td class=smallexample><FONT SIZE=-1><pre>/* fileman.c -- A tiny application which demonstrates how to use the GNU Readline library. This application interactively allows users to manipulate files and their modes. */ @@ -3533,19 +4599,25 @@ history list. #include <readline/readline.h> #include <readline/history.h> -extern char *getwd (); extern char *xmalloc (); /* The names of functions that actually do the manipulation. */ -int com_list (), com_view (), com_rename (), com_stat (), com_pwd (); -int com_delete (), com_help (), com_cd (), com_quit (); +int com_list __P((char *)); +int com_view __P((char *)); +int com_rename __P((char *)); +int com_stat __P((char *)); +int com_pwd __P((char *)); +int com_delete __P((char *)); +int com_help __P((char *)); +int com_cd __P((char *)); +int com_quit __P((char *)); /* A structure which contains information on the commands this program can understand. */ typedef struct { char *name; /* User printable name of the function. */ - Function *func; /* Function to call to do the job. */ + rl_icpfunc_t *func; /* Function to call to do the job. */ char *doc; /* Documentation for this function. */ } COMMAND; @@ -3561,7 +4633,7 @@ COMMAND commands[] = { { "rename", com_rename, "Rename FILE to NEWNAME" }, { "stat", com_stat, "Print out statistics on FILE" }, { "view", com_view, "View the contents of FILE" }, - { (char *)NULL, (Function *)NULL, (char *)NULL } + { (char *)NULL, (rl_icpfunc_t *)NULL, (char *)NULL } }; /* Forward declarations. */ @@ -3571,7 +4643,7 @@ COMMAND *find_command (); /* The name of this program, as taken from argv[0]. */ char *progname; -/* When non-zero, this global means the user is done using this program. */ +/* When non-zero, this means the user is done using this program. */ int done; char * @@ -3701,29 +4773,29 @@ stripwhite (string) /* */ /* **************************************************************** */ -char *command_generator (); -char **fileman_completion (); +char *command_generator __P((const char *, int)); +char **fileman_completion __P((const char *, int, int)); -/* Tell the GNU Readline library how to complete. We want to try to complete - on command names if this is the first word in the line, or on filenames - if not. */ +/* Tell the GNU Readline library how to complete. We want to try to + complete on command names if this is the first word in the line, or + on filenames if not. */ initialize_readline () { /* Allow conditional parsing of the ~/.inputrc file. */ rl_readline_name = "FileMan"; /* Tell the completer that we want a crack first. */ - rl_attempted_completion_function = (CPPFunction *)fileman_completion; + rl_attempted_completion_function = fileman_completion; } -/* Attempt to complete on the contents of TEXT. START and END bound the - region of rl_line_buffer that contains the word to complete. TEXT is - the word to complete. We can use the entire contents of rl_line_buffer - in case we want to do some simple parsing. Return the array of matches, - or NULL if there aren't any. */ +/* Attempt to complete on the contents of TEXT. START and END + bound the region of rl_line_buffer that contains the word to + complete. TEXT is the word to complete. We can use the entire + contents of rl_line_buffer in case we want to do some simple + parsing. Returnthe array of matches, or NULL if there aren't any. */ char ** fileman_completion (text, start, end) - char *text; + const char *text; int start, end; { char **matches; @@ -3734,32 +4806,33 @@ fileman_completion (text, start, end) to complete. Otherwise it is the name of a file in the current directory. */ if (start == 0) - matches = completion_matches (text, command_generator); + matches = rl_completion_matches (text, command_generator); return (matches); } -/* Generator function for command completion. STATE lets us know whether - to start from scratch; without any state (i.e. STATE == 0), then we - start at the top of the list. */ +/* Generator function for command completion. STATE lets us + know whether to start from scratch; without any state + (i.e. STATE == 0), then we start at the top of the list. */ char * command_generator (text, state) - char *text; + const char *text; int state; { static int list_index, len; char *name; - /* If this is a new word to complete, initialize now. This includes - saving the length of TEXT for efficiency, and initializing the index - variable to 0. */ + /* If this is a new word to complete, initialize now. This + includes saving the length of TEXT for efficiency, and + initializing the index variable to 0. */ if (!state) { list_index = 0; len = strlen (text); } - /* Return the next name which partially matches from the command list. */ + /* Return the next name which partially matches from the + command list. */ while (name = commands[list_index].name) { list_index++; @@ -3904,7 +4977,7 @@ com_pwd (ignore) { char dir[1024], *s; - s = getwd (dir); + s = getcwd (dir, sizeof(dir) - 1); if (s == 0) { printf ("Error getting pwd: %s\n", dir); @@ -3915,7 +4988,8 @@ com_pwd (ignore) return 0; } -/* The user wishes to quit using this program. Just set DONE non-zero. */ +/* The user wishes to quit using this program. Just set DONE + non-zero. */ com_quit (arg) char *arg; { @@ -3928,12 +5002,13 @@ too_dangerous (caller) char *caller; { fprintf (stderr, - "%s: Too dangerous for me to distribute. Write it yourself.\n", + "%s: Too dangerous for me to distribute.\n" caller); + fprintf (stderr, "Write it yourself.\n"); } -/* Return non-zero if ARG is a valid argument for CALLER, else print - an error message and return zero. */ +/* Return non-zero if ARG is a valid argument for CALLER, + else print an error message and return zero. */ int valid_argument (caller, arg) char *caller, *arg; @@ -3946,382 +5021,888 @@ valid_argument (caller, arg) return (1); } -</PRE> - - - -<H1><A NAME="SEC46" HREF="readline.html#TOC46">Concept Index</A></H1> -<P> -Jump to: -<A HREF="#cindex_c">c</A> -- -<A HREF="#cindex_e">e</A> -- -<A HREF="#cindex_i">i</A> -- -<A HREF="#cindex_k">k</A> -- -<A HREF="#cindex_n">n</A> -- -<A HREF="#cindex_r">r</A> -- -<A HREF="#cindex_y">y</A> -<P> -<H2><A NAME="cindex_c">c</A></H2> -<DIR> -<LI><A HREF="readline.html#IDX3">command editing</A> -</DIR> -<H2><A NAME="cindex_e">e</A></H2> -<DIR> -<LI><A HREF="readline.html#IDX4">editing command lines</A> -</DIR> -<H2><A NAME="cindex_i">i</A></H2> -<DIR> -<LI><A HREF="readline.html#IDX8">initialization file, readline</A> -<LI><A HREF="readline.html#IDX1">interaction, readline</A> -</DIR> -<H2><A NAME="cindex_k">k</A></H2> -<DIR> -<LI><A HREF="readline.html#IDX7">kill ring</A> -<LI><A HREF="readline.html#IDX5">killing text</A> -</DIR> -<H2><A NAME="cindex_n">n</A></H2> -<DIR> -<LI><A HREF="readline.html#IDX2">notation, readline</A> -</DIR> -<H2><A NAME="cindex_r">r</A></H2> -<DIR> -<LI><A HREF="readline.html#IDX98">readline, function</A> -</DIR> -<H2><A NAME="cindex_y">y</A></H2> -<DIR> -<LI><A HREF="readline.html#IDX6">yanking text</A> -</DIR> - -</P> - - -<H1><A NAME="SEC47" HREF="readline.html#TOC47">Function and Variable Index</A></H1> -<P> -Jump to: -<A HREF="#findex_a">a</A> -- -<A HREF="#findex_b">b</A> -- -<A HREF="#findex_c">c</A> -- -<A HREF="#findex_d">d</A> -- -<A HREF="#findex_e">e</A> -- -<A HREF="#findex_f">f</A> -- -<A HREF="#findex_h">h</A> -- -<A HREF="#findex_i">i</A> -- -<A HREF="#findex_k">k</A> -- -<A HREF="#findex_l">l</A> -- -<A HREF="#findex_m">m</A> -- -<A HREF="#findex_n">n</A> -- -<A HREF="#findex_o">o</A> -- -<A HREF="#findex_p">p</A> -- -<A HREF="#findex_q">q</A> -- -<A HREF="#findex_r">r</A> -- -<A HREF="#findex_s">s</A> -- -<A HREF="#findex_t">t</A> -- -<A HREF="#findex_u">u</A> -- -<A HREF="#findex_v">v</A> -- -<A HREF="#findex_y">y</A> -<P> -<H2><A NAME="findex_a">a</A></H2> -<DIR> -<LI><A HREF="readline.html#IDX83">abort (C-g)</A> -<LI><A HREF="readline.html#IDX34">accept-line (Newline, Return)</A> -<LI><A HREF="readline.html#IDX170">alphabetic</A> -</DIR> -<H2><A NAME="findex_b">b</A></H2> -<DIR> -<LI><A HREF="readline.html#IDX29">backward-char (C-b)</A> -<LI><A HREF="readline.html#IDX48">backward-delete-char (Rubout)</A> -<LI><A HREF="readline.html#IDX59">backward-kill-line (C-x Rubout)</A> -<LI><A HREF="readline.html#IDX63">backward-kill-word (M-DEL)</A> -<LI><A HREF="readline.html#IDX31">backward-word (M-b)</A> -<LI><A HREF="readline.html#IDX37">beginning-of-history (M-&#60;)</A> -<LI><A HREF="readline.html#IDX26">beginning-of-line (C-a)</A> -<LI><A HREF="readline.html#IDX9">bell-style</A> -</DIR> -<H2><A NAME="findex_c">c</A></H2> -<DIR> -<LI><A HREF="readline.html#IDX81">call-last-kbd-macro (C-x e)</A> -<LI><A HREF="readline.html#IDX57">capitalize-word (M-c)</A> -<LI><A HREF="readline.html#IDX91">character-search (C-])</A> -<LI><A HREF="readline.html#IDX92">character-search-backward (M-C-])</A> -<LI><A HREF="readline.html#IDX32">clear-screen (C-l)</A> -<LI><A HREF="readline.html#IDX10">comment-begin</A> -<LI><A HREF="readline.html#IDX74">complete (TAB)</A> -<LI><A HREF="readline.html#IDX11">completion-query-items</A> -<LI><A HREF="readline.html#IDX197">completion_matches</A> -<LI><A HREF="readline.html#IDX12">convert-meta</A> -<LI><A HREF="readline.html#IDX68">copy-backward-word ()</A> -<LI><A HREF="readline.html#IDX69">copy-forward-word ()</A> -<LI><A HREF="readline.html#IDX67">copy-region-as-kill ()</A> -</DIR> -<H2><A NAME="findex_d">d</A></H2> -<DIR> -<LI><A HREF="readline.html#IDX47">delete-char (C-d)</A> -<LI><A HREF="readline.html#IDX78">delete-char-or-list ()</A> -<LI><A HREF="readline.html#IDX65">delete-horizontal-space ()</A> -<LI><A HREF="readline.html#IDX72">digit-argument (M-0, M-1, ... 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-<LI><A HREF="readline.html#IDX21">keymap</A> -<LI><A HREF="readline.html#IDX58">kill-line (C-k)</A> -<LI><A HREF="readline.html#IDX66">kill-region ()</A> -<LI><A HREF="readline.html#IDX61">kill-whole-line ()</A> -<LI><A HREF="readline.html#IDX62">kill-word (M-d)</A> -</DIR> -<H2><A NAME="findex_l">l</A></H2> -<DIR> -<LI><A HREF="readline.html#IDX175">lowercase_p</A> -</DIR> -<H2><A NAME="findex_m">m</A></H2> -<DIR> -<LI><A HREF="readline.html#IDX22">mark-modified-lines</A> -<LI><A HREF="readline.html#IDX77">menu-complete ()</A> -<LI><A HREF="readline.html#IDX19">meta-flag</A> -</DIR> -<H2><A NAME="findex_n">n</A></H2> -<DIR> -<LI><A HREF="readline.html#IDX36">next-history (C-n)</A> -<LI><A HREF="readline.html#IDX42">non-incremental-forward-search-history (M-n)</A> -<LI><A HREF="readline.html#IDX41">non-incremental-reverse-search-history (M-p)</A> -<LI><A HREF="readline.html#IDX171">numeric</A> -</DIR> -<H2><A NAME="findex_o">o</A></H2> -<DIR> -<LI><A 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-<LI><A HREF="readline.html#IDX108">rl_library_version</A> -<LI><A HREF="readline.html#IDX99">rl_line_buffer</A> -<LI><A HREF="readline.html#IDX143">rl_list_funmap_names</A> -<LI><A HREF="readline.html#IDX121">rl_make_bare_keymap</A> -<LI><A HREF="readline.html#IDX123">rl_make_keymap</A> -<LI><A HREF="readline.html#IDX102">rl_mark</A> -<LI><A HREF="readline.html#IDX156">rl_message</A> -<LI><A HREF="readline.html#IDX150">rl_modifying</A> -<LI><A HREF="readline.html#IDX138">rl_named_function</A> -<LI><A HREF="readline.html#IDX153">rl_on_new_line</A> -<LI><A HREF="readline.html#IDX154">rl_on_new_line_with_prompt</A> -<LI><A HREF="readline.html#IDX112">rl_outstream</A> -<LI><A HREF="readline.html#IDX136">rl_parse_and_bind</A> -<LI><A HREF="readline.html#IDX104">rl_pending_input</A> -<LI><A HREF="readline.html#IDX100">rl_point</A> -<LI><A HREF="readline.html#IDX195">rl_possible_completions</A> -<LI><A HREF="readline.html#IDX114">rl_pre_input_hook</A> -<LI><A HREF="readline.html#IDX106">rl_prompt</A> -<LI><A HREF="readline.html#IDX137">rl_read_init_file</A> -<LI><A HREF="readline.html#IDX164">rl_read_key</A> -<LI><A HREF="readline.html#IDX110">rl_readline_name</A> -<LI><A HREF="readline.html#IDX151">rl_redisplay</A> -<LI><A HREF="readline.html#IDX117">rl_redisplay_function</A> -<LI><A HREF="readline.html#IDX187">rl_reset_after_signal</A> -<LI><A HREF="readline.html#IDX155">rl_reset_line_state</A> -<LI><A HREF="readline.html#IDX169">rl_reset_terminal</A> -<LI><A HREF="readline.html#IDX188">rl_resize_terminal</A> -<LI><A HREF="readline.html#IDX159">rl_restore_prompt</A> -<LI><A HREF="readline.html#IDX158">rl_save_prompt</A> -<LI><A HREF="readline.html#IDX126">rl_set_keymap</A> -<LI><A HREF="readline.html#IDX189">rl_set_signals</A> -<LI><A HREF="readline.html#IDX211">rl_special_prefixes</A> -<LI><A HREF="readline.html#IDX113">rl_startup_hook</A> -<LI><A HREF="readline.html#IDX166">rl_stuff_char</A> -<LI><A HREF="readline.html#IDX109">rl_terminal_name</A> -<LI><A HREF="readline.html#IDX134">rl_unbind_command_in_map</A> -<LI><A HREF="readline.html#IDX133">rl_unbind_function_in_map</A> -<LI><A HREF="readline.html#IDX131">rl_unbind_key</A> -<LI><A HREF="readline.html#IDX132">rl_unbind_key_in_map</A> -</DIR> -<H2><A NAME="findex_s">s</A></H2> -<DIR> -<LI><A HREF="readline.html#IDX52">self-insert (a, b, A, 1, !, ...)</A> -<LI><A HREF="readline.html#IDX89">set-mark (C-@)</A> -<LI><A HREF="readline.html#IDX24">show-all-if-ambiguous</A> -<LI><A HREF="readline.html#IDX79">start-kbd-macro (C-x ()</A> -</DIR> -<H2><A NAME="findex_t">t</A></H2> -<DIR> -<LI><A HREF="readline.html#IDX51">tab-insert (M-TAB)</A> -<LI><A HREF="readline.html#IDX88">tilde-expand (M-~)</A> -<LI><A HREF="readline.html#IDX178">to_lower</A> -<LI><A HREF="readline.html#IDX177">to_upper</A> -<LI><A HREF="readline.html#IDX53">transpose-chars (C-t)</A> -<LI><A HREF="readline.html#IDX54">transpose-words (M-t)</A> -</DIR> -<H2><A NAME="findex_u">u</A></H2> -<DIR> -<LI><A HREF="readline.html#IDX86">undo (C-_, C-x C-u)</A> -<LI><A HREF="readline.html#IDX73">universal-argument ()</A> -<LI><A HREF="readline.html#IDX60">unix-line-discard (C-u)</A> -<LI><A HREF="readline.html#IDX64">unix-word-rubout (C-w)</A> -<LI><A HREF="readline.html#IDX55">upcase-word (M-u)</A> -<LI><A HREF="readline.html#IDX174">uppercase_p</A> -<LI><A HREF="readline.html#IDX199">username_completion_function</A> -</DIR> -<H2><A NAME="findex_v">v</A></H2> -<DIR> -<LI><A HREF="readline.html#IDX25">visible-stats</A> -</DIR> -<H2><A NAME="findex_y">y</A></H2> -<DIR> -<LI><A HREF="readline.html#IDX70">yank (C-y)</A> -<LI><A HREF="readline.html#IDX46">yank-last-arg (M-., M-_)</A> -<LI><A HREF="readline.html#IDX45">yank-nth-arg (M-C-y)</A> -<LI><A HREF="readline.html#IDX71">yank-pop (M-y)</A> -</DIR> - -</P> -<P><HR><P> -This document was generated on 1 March 2000 using the -<A HREF="http://wwwinfo.cern.ch/dis/texi2html/">texi2html</A> -translator version 1.52.</P> +</FONT></pre></td></tr></table></P><P> + +<A NAME="Concept Index"></A> +<HR SIZE="6"> +<A NAME="SEC49"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC48"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC50"> > </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[ << ]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H1> Concept Index </H1> +<!--docid::SEC49::--> +<table><tr><th valign=top>Jump to: </th><td><A HREF="readline.html#cp_C" style="text-decoration:none"><b>C</b></A> + +<A HREF="readline.html#cp_E" style="text-decoration:none"><b>E</b></A> + +<A HREF="readline.html#cp_I" style="text-decoration:none"><b>I</b></A> + +<A HREF="readline.html#cp_K" style="text-decoration:none"><b>K</b></A> + +<A HREF="readline.html#cp_N" style="text-decoration:none"><b>N</b></A> + +<A HREF="readline.html#cp_R" style="text-decoration:none"><b>R</b></A> + +<A HREF="readline.html#cp_V" style="text-decoration:none"><b>V</b></A> + +<A HREF="readline.html#cp_Y" style="text-decoration:none"><b>Y</b></A> + +</td></tr></table><br><P></P> +<TABLE border=0> +<TR><TD></TD><TH ALIGN=LEFT>Index Entry</TH><TH ALIGN=LEFT> Section</TH></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="cp_C"></A>C</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#SEC4">command editing</A></TD><TD valign=top><A HREF="readline.html#SEC4">1.2.1 Readline Bare Essentials</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="cp_E"></A>E</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#SEC4">editing command lines</A></TD><TD valign=top><A HREF="readline.html#SEC4">1.2.1 Readline Bare Essentials</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="cp_I"></A>I</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#SEC9">initialization file, readline</A></TD><TD valign=top><A HREF="readline.html#SEC9">1.3 Readline Init File</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#SEC3">interaction, readline</A></TD><TD valign=top><A HREF="readline.html#SEC3">1.2 Readline Interaction</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="cp_K"></A>K</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX3">kill ring</A></TD><TD valign=top><A HREF="readline.html#SEC6">1.2.3 Readline Killing Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX1">killing text</A></TD><TD valign=top><A HREF="readline.html#SEC6">1.2.3 Readline Killing Commands</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="cp_N"></A>N</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#SEC4">notation, readline</A></TD><TD valign=top><A HREF="readline.html#SEC4">1.2.1 Readline Bare Essentials</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="cp_R"></A>R</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX175">readline, function</A></TD><TD valign=top><A HREF="readline.html#SEC24">2.1 Basic Behavior</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="cp_V"></A>V</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX4">variables, readline</A></TD><TD valign=top><A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="cp_Y"></A>Y</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX2">yanking text</A></TD><TD valign=top><A HREF="readline.html#SEC6">1.2.3 Readline Killing Commands</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +</TABLE><P></P><table><tr><th valign=top>Jump to: </th><td><A HREF="readline.html#cp_C" style="text-decoration:none"><b>C</b></A> + +<A HREF="readline.html#cp_E" style="text-decoration:none"><b>E</b></A> + +<A HREF="readline.html#cp_I" style="text-decoration:none"><b>I</b></A> + +<A HREF="readline.html#cp_K" style="text-decoration:none"><b>K</b></A> + +<A HREF="readline.html#cp_N" style="text-decoration:none"><b>N</b></A> + +<A HREF="readline.html#cp_R" style="text-decoration:none"><b>R</b></A> + +<A HREF="readline.html#cp_V" style="text-decoration:none"><b>V</b></A> + +<A HREF="readline.html#cp_Y" style="text-decoration:none"><b>Y</b></A> + +</td></tr></table><br><P> + +<A NAME="Function and Variable Index"></A> +<HR SIZE="6"> +<A NAME="SEC50"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49"> < </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[ > ]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[ << ]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top"> Up </A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[ >> ]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT"> <TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H1> Function and Variable Index </H1> +<!--docid::SEC50::--> +<table><tr><th valign=top>Jump to: </th><td><A HREF="readline.html#fn__" style="text-decoration:none"><b>_</b></A> + +<BR> +<A HREF="readline.html#fn_A" style="text-decoration:none"><b>A</b></A> + +<A HREF="readline.html#fn_B" style="text-decoration:none"><b>B</b></A> + +<A HREF="readline.html#fn_C" style="text-decoration:none"><b>C</b></A> + +<A HREF="readline.html#fn_D" style="text-decoration:none"><b>D</b></A> + +<A HREF="readline.html#fn_E" style="text-decoration:none"><b>E</b></A> + +<A HREF="readline.html#fn_F" style="text-decoration:none"><b>F</b></A> + +<A HREF="readline.html#fn_H" style="text-decoration:none"><b>H</b></A> + +<A HREF="readline.html#fn_I" style="text-decoration:none"><b>I</b></A> + +<A HREF="readline.html#fn_K" style="text-decoration:none"><b>K</b></A> + +<A HREF="readline.html#fn_M" style="text-decoration:none"><b>M</b></A> + +<A HREF="readline.html#fn_N" style="text-decoration:none"><b>N</b></A> + +<A HREF="readline.html#fn_O" style="text-decoration:none"><b>O</b></A> + +<A HREF="readline.html#fn_P" style="text-decoration:none"><b>P</b></A> + +<A HREF="readline.html#fn_Q" style="text-decoration:none"><b>Q</b></A> + +<A HREF="readline.html#fn_R" style="text-decoration:none"><b>R</b></A> + +<A HREF="readline.html#fn_S" style="text-decoration:none"><b>S</b></A> + +<A HREF="readline.html#fn_T" style="text-decoration:none"><b>T</b></A> + +<A HREF="readline.html#fn_U" style="text-decoration:none"><b>U</b></A> + +<A HREF="readline.html#fn_V" style="text-decoration:none"><b>V</b></A> + +<A HREF="readline.html#fn_Y" style="text-decoration:none"><b>Y</b></A> + +</td></tr></table><br><P></P> +<TABLE border=0> +<TR><TD></TD><TH ALIGN=LEFT>Index Entry</TH><TH ALIGN=LEFT> Section</TH></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="fn__"></A>_</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX278"><CODE>_rl_digit_p</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC39">2.4.10 Utility Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX281"><CODE>_rl_digit_value</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC39">2.4.10 Utility Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX277"><CODE>_rl_lowercase_p</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC39">2.4.10 Utility Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX280"><CODE>_rl_to_lower</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC39">2.4.10 Utility Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX279"><CODE>_rl_to_upper</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC39">2.4.10 Utility Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX276"><CODE>_rl_uppercase_p</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC39">2.4.10 Utility Functions</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="fn_A"></A>A</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX142"><CODE>abort (C-g)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX143"><CODE>abort (C-g)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX42"><CODE>accept-line (Newline or Return)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX43"><CODE>accept-line (Newline or Return)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="fn_B"></A>B</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX32"><CODE>backward-char (C-b)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC14">1.4.1 Commands For Moving</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX33"><CODE>backward-char (C-b)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC14">1.4.1 Commands For Moving</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX70"><CODE>backward-delete-char (Rubout)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX71"><CODE>backward-delete-char (Rubout)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX94"><CODE>backward-kill-line (C-x Rubout)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX95"><CODE>backward-kill-line (C-x Rubout)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX102"><CODE>backward-kill-word (M-<KBD>DEL</KBD>)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX103"><CODE>backward-kill-word (M-<KBD>DEL</KBD>)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX36"><CODE>backward-word (M-b)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC14">1.4.1 Commands For Moving</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX37"><CODE>backward-word (M-b)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC14">1.4.1 Commands For Moving</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX48"><CODE>beginning-of-history (M-&#60;)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX49"><CODE>beginning-of-history (M-&#60;)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX26"><CODE>beginning-of-line (C-a)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC14">1.4.1 Commands For Moving</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX27"><CODE>beginning-of-line (C-a)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC14">1.4.1 Commands For Moving</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX5">bell-style</A></TD><TD valign=top><A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="fn_C"></A>C</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX138"><CODE>call-last-kbd-macro (C-x e)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC20">1.4.7 Keyboard Macros</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX139"><CODE>call-last-kbd-macro (C-x e)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC20">1.4.7 Keyboard Macros</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX88"><CODE>capitalize-word (M-c)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX89"><CODE>capitalize-word (M-c)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX158"><CODE>character-search (C-])</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX159"><CODE>character-search (C-])</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX160"><CODE>character-search-backward (M-C-])</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX161"><CODE>character-search-backward (M-C-])</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX38"><CODE>clear-screen (C-l)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC14">1.4.1 Commands For Moving</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX39"><CODE>clear-screen (C-l)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC14">1.4.1 Commands For Moving</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX6">comment-begin</A></TD><TD valign=top><A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX124"><CODE>complete (<KBD>TAB</KBD>)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC19">1.4.6 Letting Readline Type For You</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX125"><CODE>complete (<KBD>TAB</KBD>)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC19">1.4.6 Letting Readline Type For You</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX7">completion-query-items</A></TD><TD valign=top><A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX8">convert-meta</A></TD><TD valign=top><A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX112"><CODE>copy-backward-word ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX113"><CODE>copy-backward-word ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX114"><CODE>copy-forward-word ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX115"><CODE>copy-forward-word ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX110"><CODE>copy-region-as-kill ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX111"><CODE>copy-region-as-kill ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="fn_D"></A>D</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX68"><CODE>delete-char (C-d)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX69"><CODE>delete-char (C-d)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX132"><CODE>delete-char-or-list ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC19">1.4.6 Letting Readline Type For You</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX133"><CODE>delete-char-or-list ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC19">1.4.6 Letting Readline Type For You</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX106"><CODE>delete-horizontal-space ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX107"><CODE>delete-horizontal-space ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX120"><CODE>digit-argument (<KBD>M-0</KBD>, <KBD>M-1</KBD>, <small>...</small> <KBD>M--</KBD>)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC18">1.4.5 Specifying Numeric Arguments</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX121"><CODE>digit-argument (<KBD>M-0</KBD>, <KBD>M-1</KBD>, <small>...</small> <KBD>M--</KBD>)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC18">1.4.5 Specifying Numeric Arguments</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX9">disable-completion</A></TD><TD valign=top><A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX144"><CODE>do-uppercase-version (M-a, M-b, M-<VAR>x</VAR>, <small>...</small>)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX145"><CODE>do-uppercase-version (M-a, M-b, M-<VAR>x</VAR>, <small>...</small>)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX86"><CODE>downcase-word (M-l)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX87"><CODE>downcase-word (M-l)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX164"><CODE>dump-functions ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX165"><CODE>dump-functions ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX168"><CODE>dump-macros ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX169"><CODE>dump-macros ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX166"><CODE>dump-variables ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX167"><CODE>dump-variables ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="fn_E"></A>E</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX10">editing-mode</A></TD><TD valign=top><A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX170"><CODE>emacs-editing-mode (C-e)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX171"><CODE>emacs-editing-mode (C-e)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX11">enable-keypad</A></TD><TD valign=top><A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX136"><CODE>end-kbd-macro (C-x ))</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC20">1.4.7 Keyboard Macros</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX137"><CODE>end-kbd-macro (C-x ))</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC20">1.4.7 Keyboard Macros</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX50"><CODE>end-of-history (M-&#62;)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX51"><CODE>end-of-history (M-&#62;)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX28"><CODE>end-of-line (C-e)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC14">1.4.1 Commands For Moving</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX29"><CODE>end-of-line (C-e)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC14">1.4.1 Commands For Moving</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX156"><CODE>exchange-point-and-mark (C-x C-x)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX157"><CODE>exchange-point-and-mark (C-x C-x)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX12">expand-tilde</A></TD><TD valign=top><A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="fn_F"></A>F</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX72"><CODE>forward-backward-delete-char ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX73"><CODE>forward-backward-delete-char ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX30"><CODE>forward-char (C-f)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC14">1.4.1 Commands For Moving</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX31"><CODE>forward-char (C-f)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC14">1.4.1 Commands For Moving</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX54"><CODE>forward-search-history (C-s)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX55"><CODE>forward-search-history (C-s)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX34"><CODE>forward-word (M-f)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC14">1.4.1 Commands For Moving</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX35"><CODE>forward-word (M-f)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC14">1.4.1 Commands For Moving</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="fn_H"></A>H</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX13">history-preserve-point</A></TD><TD valign=top><A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX62"><CODE>history-search-backward ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX63"><CODE>history-search-backward ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX60"><CODE>history-search-forward ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX61"><CODE>history-search-forward ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX14">horizontal-scroll-mode</A></TD><TD valign=top><A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="fn_I"></A>I</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX15">input-meta</A></TD><TD valign=top><A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX162"><CODE>insert-comment (M-#)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX163"><CODE>insert-comment (M-#)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX128"><CODE>insert-completions (M-*)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC19">1.4.6 Letting Readline Type For You</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX129"><CODE>insert-completions (M-*)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC19">1.4.6 Letting Readline Type For You</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX17">isearch-terminators</A></TD><TD valign=top><A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="fn_K"></A>K</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX18">keymap</A></TD><TD valign=top><A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX92"><CODE>kill-line (C-k)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX93"><CODE>kill-line (C-k)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX108"><CODE>kill-region ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX109"><CODE>kill-region ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX98"><CODE>kill-whole-line ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX99"><CODE>kill-whole-line ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX100"><CODE>kill-word (M-d)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX101"><CODE>kill-word (M-d)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="fn_M"></A>M</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX19">mark-modified-lines</A></TD><TD valign=top><A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX20">mark-symlinked-directories</A></TD><TD valign=top><A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX21">match-hidden-files</A></TD><TD valign=top><A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX130"><CODE>menu-complete ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC19">1.4.6 Letting Readline Type For You</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX131"><CODE>menu-complete ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC19">1.4.6 Letting Readline Type For You</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX16">meta-flag</A></TD><TD valign=top><A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="fn_N"></A>N</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX46"><CODE>next-history (C-n)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX47"><CODE>next-history (C-n)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX58"><CODE>non-incremental-forward-search-history (M-n)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX59"><CODE>non-incremental-forward-search-history (M-n)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX56"><CODE>non-incremental-reverse-search-history (M-p)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX57"><CODE>non-incremental-reverse-search-history (M-p)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="fn_O"></A>O</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX22">output-meta</A></TD><TD valign=top><A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX90"><CODE>overwrite-mode ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX91"><CODE>overwrite-mode ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="fn_P"></A>P</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX23">page-completions</A></TD><TD valign=top><A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX126"><CODE>possible-completions (M-?)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC19">1.4.6 Letting Readline Type For You</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX127"><CODE>possible-completions (M-?)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC19">1.4.6 Letting Readline Type For You</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX146"><CODE>prefix-meta (<KBD>ESC</KBD>)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX147"><CODE>prefix-meta (<KBD>ESC</KBD>)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX44"><CODE>previous-history (C-p)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX45"><CODE>previous-history (C-p)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="fn_Q"></A>Q</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX74"><CODE>quoted-insert (C-q or C-v)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX75"><CODE>quoted-insert (C-q or C-v)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="fn_R"></A>R</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX140"><CODE>re-read-init-file (C-x C-r)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX141"><CODE>re-read-init-file (C-x C-r)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX174"><CODE>readline</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC24">2.1 Basic Behavior</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX40"><CODE>redraw-current-line ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC14">1.4.1 Commands For Moving</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX41"><CODE>redraw-current-line ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC14">1.4.1 Commands For Moving</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX52"><CODE>reverse-search-history (C-r)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX53"><CODE>reverse-search-history (C-r)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX150"><CODE>revert-line (M-r)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX151"><CODE>revert-line (M-r)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX209"><CODE>rl_add_defun</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC30">2.4.1 Naming a Function</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX235"><CODE>rl_add_funmap_entry</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC33">2.4.4 Associating Function Names and Bindings</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX238"><CODE>rl_add_undo</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC34">2.4.5 Allowing Undoing</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX274"><CODE>rl_alphabetic</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC39">2.4.10 Utility Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX186">rl_already_prompted</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX312">rl_attempted_completion_function</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX332">rl_attempted_completion_over</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX320">rl_basic_quote_characters</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX319">rl_basic_word_break_characters</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX236"><CODE>rl_begin_undo_group</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC34">2.4.5 Allowing Undoing</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX218"><CODE>rl_bind_key</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC32">2.4.3 Binding Keys</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX219"><CODE>rl_bind_key_in_map</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC32">2.4.3 Binding Keys</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX203">rl_binding_keymap</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX288"><CODE>rl_callback_handler_install</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC41">2.4.12 Alternate Interface</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX290"><CODE>rl_callback_handler_remove</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC41">2.4.12 Alternate Interface</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX289"><CODE>rl_callback_read_char</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC41">2.4.12 Alternate Interface</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX291">rl_catch_signals</A></TD><TD valign=top><A HREF="readline.html#SEC43">2.5 Readline Signal Handling</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX292">rl_catch_sigwinch</A></TD><TD valign=top><A HREF="readline.html#SEC43">2.5 Readline Signal Handling</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX315">rl_char_is_quoted_p</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX293"><CODE>rl_cleanup_after_signal</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC43">2.5 Readline Signal Handling</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX250"><CODE>rl_clear_message</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC35">2.4.6 Redisplay</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX264"><CODE>rl_clear_pending_input</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC37">2.4.8 Character Input</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX300"><CODE>rl_clear_signals</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC43">2.5 Readline Signal Handling</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX301"><CODE>rl_complete</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC45">2.6.1 How Completing Works</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX304"><CODE>rl_complete</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC46">2.6.2 Completion Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX303"><CODE>rl_complete_internal</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC46">2.6.2 Completion Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX322">rl_completer_quote_characters</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX321">rl_completer_word_break_characters</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX326">rl_completion_append_character</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX318">rl_completion_display_matches_hook</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX302">rl_completion_entry_function</A></TD><TD valign=top><A HREF="readline.html#SEC45">2.6.1 How Completing Works</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX311">rl_completion_entry_function</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX328">rl_completion_mark_symlink_dirs</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX308"><CODE>rl_completion_matches</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC46">2.6.2 Completion Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX307"><CODE>rl_completion_mode</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC46">2.6.2 Completion Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX325">rl_completion_query_items</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX327">rl_completion_suppress_append</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX333">rl_completion_type</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX211"><CODE>rl_copy_keymap</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC31">2.4.2 Selecting a Keymap</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX257"><CODE>rl_copy_text</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC36">2.4.7 Modifying Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX247"><CODE>rl_crlf</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC35">2.4.6 Redisplay</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX256"><CODE>rl_delete_text</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC36">2.4.7 Modifying Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX201">rl_deprep_term_function</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX267"><CODE>rl_deprep_terminal</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC38">2.4.9 Terminal Management</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX273"><CODE>rl_ding</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC39">2.4.10 Utility Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX317">rl_directory_completion_hook</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX213"><CODE>rl_discard_keymap</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC31">2.4.2 Selecting a Keymap</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX183">rl_dispatching</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX275"><CODE>rl_display_match_list</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC39">2.4.10 Utility Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX240"><CODE>rl_do_undo</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC34">2.4.5 Allowing Undoing</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX180">rl_done</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX208">rl_editing_mode</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX178">rl_end</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX237"><CODE>rl_end_undo_group</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC34">2.4.5 Allowing Undoing</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX184">rl_erase_empty_line</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX197">rl_event_hook</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX263"><CODE>rl_execute_next</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC37">2.4.8 Character Input</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX202">rl_executing_keymap</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX204">rl_executing_macro</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX253"><CODE>rl_expand_prompt</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC35">2.4.6 Redisplay</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX206">rl_explicit_arg</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX271"><CODE>rl_extend_line_buffer</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC39">2.4.10 Utility Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX330">rl_filename_completion_desired</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX309"><CODE>rl_filename_completion_function</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC46">2.6.2 Completion Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX314">rl_filename_dequoting_function</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX323">rl_filename_quote_characters</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX331">rl_filename_quoting_desired</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX313">rl_filename_quoting_function</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX243"><CODE>rl_forced_update_display</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC35">2.4.6 Redisplay</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX294"><CODE>rl_free_line_state</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC43">2.5 Readline Signal Handling</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX239"><CODE>rl_free_undo_list</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC34">2.4.5 Allowing Undoing</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX232"><CODE>rl_function_dumper</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC33">2.4.4 Associating Function Names and Bindings</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX229"><CODE>rl_function_of_keyseq</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC33">2.4.4 Associating Function Names and Bindings</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX234"><CODE>rl_funmap_names</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC33">2.4.4 Associating Function Names and Bindings</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX225"><CODE>rl_generic_bind</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC32">2.4.3 Binding Keys</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX214"><CODE>rl_get_keymap</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC31">2.4.2 Selecting a Keymap</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX216"><CODE>rl_get_keymap_by_name</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC31">2.4.2 Selecting a Keymap</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX217"><CODE>rl_get_keymap_name</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC31">2.4.2 Selecting a Keymap</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX298"><CODE>rl_get_screen_size</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC43">2.5 Readline Signal Handling</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX287"><CODE>rl_get_termcap</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC40">2.4.11 Miscellaneous Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX261"><CODE>rl_getc</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC37">2.4.8 Character Input</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX198">rl_getc_function</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX189">rl_gnu_readline_p</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX329">rl_ignore_completion_duplicates</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX316">rl_ignore_some_completions_function</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX334">rl_inhibit_completion</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX272"><CODE>rl_initialize</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC39">2.4.10 Utility Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX306"><CODE>rl_insert_completions</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC46">2.6.2 Completion Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX255"><CODE>rl_insert_text</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC36">2.4.7 Modifying Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX192">rl_instream</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX230"><CODE>rl_invoking_keyseqs</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC33">2.4.4 Associating Function Names and Bindings</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX231"><CODE>rl_invoking_keyseqs_in_map</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC33">2.4.4 Associating Function Names and Bindings</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX258"><CODE>rl_kill_text</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC36">2.4.7 Modifying Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX194">rl_last_func</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX187">rl_library_version</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX176">rl_line_buffer</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX233"><CODE>rl_list_funmap_names</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC33">2.4.4 Associating Function Names and Bindings</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX282"><CODE>rl_macro_bind</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC40">2.4.11 Miscellaneous Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX283"><CODE>rl_macro_dumper</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC40">2.4.11 Miscellaneous Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX210"><CODE>rl_make_bare_keymap</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC31">2.4.2 Selecting a Keymap</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX212"><CODE>rl_make_keymap</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC31">2.4.2 Selecting a Keymap</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX179">rl_mark</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX249"><CODE>rl_message</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC35">2.4.6 Redisplay</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX241"><CODE>rl_modifying</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC34">2.4.5 Allowing Undoing</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX228"><CODE>rl_named_function</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC33">2.4.4 Associating Function Names and Bindings</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX181">rl_num_chars_to_read</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX207">rl_numeric_arg</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX244"><CODE>rl_on_new_line</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC35">2.4.6 Redisplay</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX245"><CODE>rl_on_new_line_with_prompt</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC35">2.4.6 Redisplay</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX193">rl_outstream</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX226"><CODE>rl_parse_and_bind</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC32">2.4.3 Binding Keys</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX182">rl_pending_input</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX177">rl_point</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX305"><CODE>rl_possible_completions</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC46">2.6.2 Completion Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX196">rl_pre_input_hook</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX200">rl_prep_term_function</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX266"><CODE>rl_prep_terminal</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC38">2.4.9 Terminal Management</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX185">rl_prompt</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX259"><CODE>rl_push_macro_input</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC36">2.4.7 Modifying Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX227"><CODE>rl_read_init_file</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC32">2.4.3 Binding Keys</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX260"><CODE>rl_read_key</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC37">2.4.8 Character Input</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX191">rl_readline_name</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX205">rl_readline_state</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX188">rl_readline_version</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX242"><CODE>rl_redisplay</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC35">2.4.6 Redisplay</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX199">rl_redisplay_function</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX270"><CODE>rl_replace_line</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC39">2.4.10 Utility Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX295"><CODE>rl_reset_after_signal</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC43">2.5 Readline Signal Handling</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX246"><CODE>rl_reset_line_state</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC35">2.4.6 Redisplay</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX269"><CODE>rl_reset_terminal</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC38">2.4.9 Terminal Management</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX296"><CODE>rl_resize_terminal</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC43">2.5 Readline Signal Handling</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX252"><CODE>rl_restore_prompt</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC35">2.4.6 Redisplay</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX251"><CODE>rl_save_prompt</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC35">2.4.6 Redisplay</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX224"><CODE>rl_set_key</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC32">2.4.3 Binding Keys</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX265"><CODE>rl_set_keyboard_input_timeout</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC37">2.4.8 Character Input</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX215"><CODE>rl_set_keymap</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC31">2.4.2 Selecting a Keymap</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX286"><CODE>rl_set_paren_blink_timeout</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC40">2.4.11 Miscellaneous Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX254"><CODE>rl_set_prompt</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC35">2.4.6 Redisplay</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX297"><CODE>rl_set_screen_size</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC43">2.5 Readline Signal Handling</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX299"><CODE>rl_set_signals</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC43">2.5 Readline Signal Handling</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX248"><CODE>rl_show_char</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC35">2.4.6 Redisplay</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX324">rl_special_prefixes</A></TD><TD valign=top><A HREF="readline.html#SEC47">2.6.3 Completion Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX195">rl_startup_hook</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX262"><CODE>rl_stuff_char</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC37">2.4.8 Character Input</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX190">rl_terminal_name</A></TD><TD valign=top><A HREF="readline.html#SEC28">2.3 Readline Variables</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX268"><CODE>rl_tty_set_default_bindings</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC38">2.4.9 Terminal Management</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX223"><CODE>rl_unbind_command_in_map</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC32">2.4.3 Binding Keys</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX222"><CODE>rl_unbind_function_in_map</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC32">2.4.3 Binding Keys</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX220"><CODE>rl_unbind_key</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC32">2.4.3 Binding Keys</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX221"><CODE>rl_unbind_key_in_map</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC32">2.4.3 Binding Keys</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX310"><CODE>rl_username_completion_function</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC46">2.6.2 Completion Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX284"><CODE>rl_variable_bind</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC40">2.4.11 Miscellaneous Functions</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX285"><CODE>rl_variable_dumper</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC40">2.4.11 Miscellaneous Functions</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="fn_S"></A>S</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX78"><CODE>self-insert (a, b, A, 1, !, <small>...</small>)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX79"><CODE>self-insert (a, b, A, 1, !, <small>...</small>)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX154"><CODE>set-mark (C-@)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX155"><CODE>set-mark (C-@)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX24">show-all-if-ambiguous</A></TD><TD valign=top><A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX134"><CODE>start-kbd-macro (C-x ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC20">1.4.7 Keyboard Macros</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX135"><CODE>start-kbd-macro (C-x ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC20">1.4.7 Keyboard Macros</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="fn_T"></A>T</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX76"><CODE>tab-insert (M-<KBD>TAB</KBD>)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX77"><CODE>tab-insert (M-<KBD>TAB</KBD>)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX152"><CODE>tilde-expand (M-~)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX153"><CODE>tilde-expand (M-~)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX80"><CODE>transpose-chars (C-t)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX81"><CODE>transpose-chars (C-t)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX82"><CODE>transpose-words (M-t)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX83"><CODE>transpose-words (M-t)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="fn_U"></A>U</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX148"><CODE>undo (C-_ or C-x C-u)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX149"><CODE>undo (C-_ or C-x C-u)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX122"><CODE>universal-argument ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC18">1.4.5 Specifying Numeric Arguments</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX123"><CODE>universal-argument ()</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC18">1.4.5 Specifying Numeric Arguments</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX96"><CODE>unix-line-discard (C-u)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX97"><CODE>unix-line-discard (C-u)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX104"><CODE>unix-word-rubout (C-w)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX105"><CODE>unix-word-rubout (C-w)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX84"><CODE>upcase-word (M-u)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX85"><CODE>upcase-word (M-u)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="fn_V"></A>V</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX172"><CODE>vi-editing-mode (M-C-j)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX173"><CODE>vi-editing-mode (M-C-j)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX25">visible-stats</A></TD><TD valign=top><A HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +<TR><TH><A NAME="fn_Y"></A>Y</TH><TD></TD><TD></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX116"><CODE>yank (C-y)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX117"><CODE>yank (C-y)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX66"><CODE>yank-last-arg (M-. or M-_)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX67"><CODE>yank-last-arg (M-. or M-_)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX64"><CODE>yank-nth-arg (M-C-y)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX65"><CODE>yank-nth-arg (M-C-y)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX118"><CODE>yank-pop (M-y)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD></TD><TD valign=top><A HREF="readline.html#IDX119"><CODE>yank-pop (M-y)</CODE></A></TD><TD valign=top><A HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A></TD></TR> +<TR><TD COLSPAN=3> <HR></TD></TR> +</TABLE><P></P><table><tr><th valign=top>Jump to: </th><td><A HREF="readline.html#fn__" style="text-decoration:none"><b>_</b></A> + +<BR> +<A HREF="readline.html#fn_A" style="text-decoration:none"><b>A</b></A> + +<A HREF="readline.html#fn_B" style="text-decoration:none"><b>B</b></A> + +<A HREF="readline.html#fn_C" style="text-decoration:none"><b>C</b></A> + +<A HREF="readline.html#fn_D" style="text-decoration:none"><b>D</b></A> + +<A HREF="readline.html#fn_E" style="text-decoration:none"><b>E</b></A> + +<A HREF="readline.html#fn_F" style="text-decoration:none"><b>F</b></A> + +<A HREF="readline.html#fn_H" style="text-decoration:none"><b>H</b></A> + +<A HREF="readline.html#fn_I" style="text-decoration:none"><b>I</b></A> + +<A HREF="readline.html#fn_K" style="text-decoration:none"><b>K</b></A> + +<A HREF="readline.html#fn_M" style="text-decoration:none"><b>M</b></A> + +<A HREF="readline.html#fn_N" style="text-decoration:none"><b>N</b></A> + +<A HREF="readline.html#fn_O" style="text-decoration:none"><b>O</b></A> + +<A HREF="readline.html#fn_P" style="text-decoration:none"><b>P</b></A> + +<A HREF="readline.html#fn_Q" style="text-decoration:none"><b>Q</b></A> + +<A HREF="readline.html#fn_R" style="text-decoration:none"><b>R</b></A> + +<A HREF="readline.html#fn_S" style="text-decoration:none"><b>S</b></A> + +<A HREF="readline.html#fn_T" style="text-decoration:none"><b>T</b></A> + +<A HREF="readline.html#fn_U" style="text-decoration:none"><b>U</b></A> + +<A HREF="readline.html#fn_V" style="text-decoration:none"><b>V</b></A> + +<A HREF="readline.html#fn_Y" style="text-decoration:none"><b>Y</b></A> + +</td></tr></table><br><P> + +<HR SIZE="6"> +<A NAME="SEC_Contents"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H1>Table of Contents</H1> +<UL> +<A NAME="TOC1" HREF="readline.html#SEC1">1. Command Line Editing</A> +<BR> +<UL> +<A NAME="TOC2" HREF="readline.html#SEC2">1.1 Introduction to Line Editing</A> +<BR> +<A NAME="TOC3" HREF="readline.html#SEC3">1.2 Readline Interaction</A> +<BR> +<UL> +<A NAME="TOC4" HREF="readline.html#SEC4">1.2.1 Readline Bare Essentials</A> +<BR> +<A NAME="TOC5" HREF="readline.html#SEC5">1.2.2 Readline Movement Commands</A> +<BR> +<A NAME="TOC6" HREF="readline.html#SEC6">1.2.3 Readline Killing Commands</A> +<BR> +<A NAME="TOC7" HREF="readline.html#SEC7">1.2.4 Readline Arguments</A> +<BR> +<A NAME="TOC8" HREF="readline.html#SEC8">1.2.5 Searching for Commands in the History</A> +<BR> +</UL> +<A NAME="TOC9" HREF="readline.html#SEC9">1.3 Readline Init File</A> +<BR> +<UL> +<A NAME="TOC10" HREF="readline.html#SEC10">1.3.1 Readline Init File Syntax</A> +<BR> +<A NAME="TOC11" HREF="readline.html#SEC11">1.3.2 Conditional Init Constructs</A> +<BR> +<A NAME="TOC12" HREF="readline.html#SEC12">1.3.3 Sample Init File</A> +<BR> +</UL> +<A NAME="TOC13" HREF="readline.html#SEC13">1.4 Bindable Readline Commands</A> +<BR> +<UL> +<A NAME="TOC14" HREF="readline.html#SEC14">1.4.1 Commands For Moving</A> +<BR> +<A NAME="TOC15" HREF="readline.html#SEC15">1.4.2 Commands For Manipulating The History</A> +<BR> +<A NAME="TOC16" HREF="readline.html#SEC16">1.4.3 Commands For Changing Text</A> +<BR> +<A NAME="TOC17" HREF="readline.html#SEC17">1.4.4 Killing And Yanking</A> +<BR> +<A NAME="TOC18" HREF="readline.html#SEC18">1.4.5 Specifying Numeric Arguments</A> +<BR> +<A NAME="TOC19" HREF="readline.html#SEC19">1.4.6 Letting Readline Type For You</A> +<BR> +<A NAME="TOC20" HREF="readline.html#SEC20">1.4.7 Keyboard Macros</A> +<BR> +<A NAME="TOC21" HREF="readline.html#SEC21">1.4.8 Some Miscellaneous Commands</A> +<BR> +</UL> +<A NAME="TOC22" HREF="readline.html#SEC22">1.5 Readline vi Mode</A> +<BR> +</UL> +<A NAME="TOC23" HREF="readline.html#SEC23">2. Programming with GNU Readline</A> +<BR> +<UL> +<A NAME="TOC24" HREF="readline.html#SEC24">2.1 Basic Behavior</A> +<BR> +<A NAME="TOC25" HREF="readline.html#SEC25">2.2 Custom Functions</A> +<BR> +<UL> +<A NAME="TOC26" HREF="readline.html#SEC26">2.2.1 Readline Typedefs</A> +<BR> +<A NAME="TOC27" HREF="readline.html#SEC27">2.2.2 Writing a New Function</A> +<BR> +</UL> +<A NAME="TOC28" HREF="readline.html#SEC28">2.3 Readline Variables</A> +<BR> +<A NAME="TOC29" HREF="readline.html#SEC29">2.4 Readline Convenience Functions</A> +<BR> +<UL> +<A NAME="TOC30" HREF="readline.html#SEC30">2.4.1 Naming a Function</A> +<BR> +<A NAME="TOC31" HREF="readline.html#SEC31">2.4.2 Selecting a Keymap</A> +<BR> +<A NAME="TOC32" HREF="readline.html#SEC32">2.4.3 Binding Keys</A> +<BR> +<A NAME="TOC33" HREF="readline.html#SEC33">2.4.4 Associating Function Names and Bindings</A> +<BR> +<A NAME="TOC34" HREF="readline.html#SEC34">2.4.5 Allowing Undoing</A> +<BR> +<A NAME="TOC35" HREF="readline.html#SEC35">2.4.6 Redisplay</A> +<BR> +<A NAME="TOC36" HREF="readline.html#SEC36">2.4.7 Modifying Text</A> +<BR> +<A NAME="TOC37" HREF="readline.html#SEC37">2.4.8 Character Input</A> +<BR> +<A NAME="TOC38" HREF="readline.html#SEC38">2.4.9 Terminal Management</A> +<BR> +<A NAME="TOC39" HREF="readline.html#SEC39">2.4.10 Utility Functions</A> +<BR> +<A NAME="TOC40" HREF="readline.html#SEC40">2.4.11 Miscellaneous Functions</A> +<BR> +<A NAME="TOC41" HREF="readline.html#SEC41">2.4.12 Alternate Interface</A> +<BR> +<A NAME="TOC42" HREF="readline.html#SEC42">2.4.13 A Readline Example</A> +<BR> +</UL> +<A NAME="TOC43" HREF="readline.html#SEC43">2.5 Readline Signal Handling</A> +<BR> +<A NAME="TOC44" HREF="readline.html#SEC44">2.6 Custom Completers</A> +<BR> +<UL> +<A NAME="TOC45" HREF="readline.html#SEC45">2.6.1 How Completing Works</A> +<BR> +<A NAME="TOC46" HREF="readline.html#SEC46">2.6.2 Completion Functions</A> +<BR> +<A NAME="TOC47" HREF="readline.html#SEC47">2.6.3 Completion Variables</A> +<BR> +<A NAME="TOC48" HREF="readline.html#SEC48">2.6.4 A Short Completion Example</A> +<BR> +</UL> +</UL> +<A NAME="TOC49" HREF="readline.html#SEC49">Concept Index</A> +<BR> +<A NAME="TOC50" HREF="readline.html#SEC50">Function and Variable Index</A> +<BR> +</UL> +<HR SIZE=1> +<A NAME="SEC_OVERVIEW"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H1>Short Table of Contents</H1> +<BLOCKQUOTE> +<A NAME="TOC1" HREF="readline.html#SEC1">1. Command Line Editing</A> +<BR> +<A NAME="TOC23" HREF="readline.html#SEC23">2. Programming with GNU Readline</A> +<BR> +<A NAME="TOC49" HREF="readline.html#SEC49">Concept Index</A> +<BR> +<A NAME="TOC50" HREF="readline.html#SEC50">Function and Variable Index</A> +<BR> + +</BLOCKQUOTE> +<HR SIZE=1> +<A NAME="SEC_About"></A> +<TABLE CELLPADDING=1 CELLSPACING=1 BORDER=0> +<TR><TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Top">Top</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_Contents">Contents</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC49">Index</A>]</TD> +<TD VALIGN="MIDDLE" ALIGN="LEFT">[<A HREF="readline.html#SEC_About"> ? </A>]</TD> +</TR></TABLE> +<H1>About this document</H1> +This document was generated by <I>Chet Ramey</I> on <I>June, 27 2002</I> +using <A HREF="http://www.mathematik.uni-kl.de/~obachman/Texi2html +"><I>texi2html</I></A> +<P></P> +The buttons in the navigation panels have the following meaning: +<P></P> +<table border = "1"> +<TR> +<TH> Button </TH> +<TH> Name </TH> +<TH> Go to </TH> +<TH> From 1.2.3 go to</TH> +</TR> +<TR> +<TD ALIGN="CENTER"> + [ < ] </TD> +<TD ALIGN="CENTER"> +Back +</TD> +<TD> +previous section in reading order +</TD> +<TD> +1.2.2 +</TD> +</TR> +<TR> +<TD ALIGN="CENTER"> + [ > ] </TD> +<TD ALIGN="CENTER"> +Forward +</TD> +<TD> +next section in reading order +</TD> +<TD> +1.2.4 +</TD> +</TR> +<TR> +<TD ALIGN="CENTER"> + [ << ] </TD> +<TD ALIGN="CENTER"> +FastBack +</TD> +<TD> +previous or up-and-previous section +</TD> +<TD> +1.1 +</TD> +</TR> +<TR> +<TD ALIGN="CENTER"> + [ Up ] </TD> +<TD ALIGN="CENTER"> +Up +</TD> +<TD> +up section +</TD> +<TD> +1.2 +</TD> +</TR> +<TR> +<TD ALIGN="CENTER"> + [ >> ] </TD> +<TD ALIGN="CENTER"> +FastForward +</TD> +<TD> +next or up-and-next section +</TD> +<TD> +1.3 +</TD> +</TR> +<TR> +<TD ALIGN="CENTER"> + [Top] </TD> +<TD ALIGN="CENTER"> +Top +</TD> +<TD> +cover (top) of document +</TD> +<TD> + +</TD> +</TR> +<TR> +<TD ALIGN="CENTER"> + [Contents] </TD> +<TD ALIGN="CENTER"> +Contents +</TD> +<TD> +table of contents +</TD> +<TD> + +</TD> +</TR> +<TR> +<TD ALIGN="CENTER"> + [Index] </TD> +<TD ALIGN="CENTER"> +Index +</TD> +<TD> +concept index +</TD> +<TD> + +</TD> +</TR> +<TR> +<TD ALIGN="CENTER"> + [ ? ] </TD> +<TD ALIGN="CENTER"> +About +</TD> +<TD> +this page +</TD> +<TD> + +</TD> +</TR> +</TABLE> +<P></P> +where the <STRONG> Example </STRONG> assumes that the current position +is at <STRONG> Subsubsection One-Two-Three </STRONG> of a document of +the following structure: +<UL> +<LI> 1. Section One </LI> +<UL> +<LI>1.1 Subsection One-One</LI> +<UL> +<LI> ... </LI> +</UL> +<LI>1.2 Subsection One-Two</LI> +<UL> +<LI>1.2.1 Subsubsection One-Two-One +</LI><LI>1.2.2 Subsubsection One-Two-Two +</LI><LI>1.2.3 Subsubsection One-Two-Three <STRONG> +<== Current Position </STRONG> +</LI><LI>1.2.4 Subsubsection One-Two-Four +</LI></UL> +<LI>1.3 Subsection One-Three</LI> +<UL> +<LI> ... </LI> +</UL> +<LI>1.4 Subsection One-Four</LI> +</UL> +</UL> + +<HR SIZE=1> +<BR> +<FONT SIZE="-1"> +This document was generated +by <I>Chet Ramey</I> on <I>June, 27 2002</I> +using <A HREF="http://www.mathematik.uni-kl.de/~obachman/Texi2html +"><I>texi2html</I></A> + </BODY> </HTML> |