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Diffstat (limited to 'gdb/doc/gdb.texinfo')
| -rw-r--r-- | gdb/doc/gdb.texinfo | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/gdb/doc/gdb.texinfo b/gdb/doc/gdb.texinfo index c9a532a..20a9563 100644 --- a/gdb/doc/gdb.texinfo +++ b/gdb/doc/gdb.texinfo @@ -22644,6 +22644,21 @@ to 256 if this variable is not set. Non-numeric values of @env{GDBHISTSIZE} are ignored. If @var{size} is @code{unlimited} or if @env{GDBHISTSIZE} is either a negative number or the empty string, then the number of commands @value{GDBN} keeps in the history list is unlimited. + +@cindex remove duplicate history +@kindex set history remove-duplicates +@item set history remove-duplicates @var{count} +@itemx set history remove-duplicates unlimited +Control the removal of duplicate history entries in the command history list. +If @var{count} is non-zero, @value{GDBN} will look back at the last @var{count} +history entries and remove the first entry that is a duplicate of the current +entry being added to the command history list. If @var{count} is +@code{unlimited} then this lookbehind is unbounded. If @var{count} is 0, then +removal of duplicate history entries is disabled. + +Only history entries added during the current session are considered for +removal. This option is set to 0 by default. + @end table History expansion assigns special meaning to the character @kbd{!}. |