X-Git-Url: http://git.tuebingen.mpg.de/?a=blobdiff_plain;f=misc%2Fgsu%2Fsubcommand;h=84c0174ccbdaaf5b7ef8e22bb1a032b485b4c46e;hb=0f548f1367bfdba2e270242bb0fccad1da5f8adf;hp=7ba4850b66baf62b34f5a5c1db7c47e48c50c641;hpb=3a03e1053e427e8403bc9a4c2fb4686d9d179991;p=gsu.git

diff --git a/misc/gsu/subcommand b/misc/gsu/subcommand
index 7ba4850..84c0174 100644
--- a/misc/gsu/subcommand
+++ b/misc/gsu/subcommand
@@ -434,6 +434,15 @@ EOF
 	ret=$GSU_SUCCESS
 }
 
+# Find out if the current word is a parameter for an option.
+#
+# $1:   usual getopts option string.
+# $2:   The current word number.
+# $3..: All words of the current command line.
+#
+# return: If yes, $result contains the letter of the option for which the
+# current word is a parameter. Otherwise, $result is empty.
+#
 gsu_cword_is_option_parameter()
 {
 	local opts="$1" cword="$2" prev i n
@@ -449,7 +458,7 @@ gsu_cword_is_option_parameter()
 	[[ ! "$prev" == -* ]] && return
 
 	n=$((${#opts} - 1))
-	for ((i=0; i < $n; i++)); do
+	for ((i=0; i <= $n; i++)); do
 		opt="${opts:$i:1}"
 		[[ "${opts:$(($i + 1)):1}" != ":" ]] && continue
 		let i++