1 files changed, 5 insertions, 0 deletions
diff --git a/symlink-tree b/symlink-tree
index 096582d..8f11c08 100755
--- a/symlink-tree
+++ b/symlink-tree
@@ -10,6 +10,11 @@ prog=$0
 srcdir=$1
 ignore="$2"
 
+if test $# -lt 1; then
+  echo "symlink-tree error:  Usage: symlink-tree srcdir \"ignore1 ignore2 ...\""
+  exit 1
+fi
+
 ignore_additional=". .. CVS"
 
 # If we were invoked with a relative path name, adjust ${prog} to work