From 8f96ebe5df8d4185cb058ecddb939b580a9a8317 Mon Sep 17 00:00:00 2001
From: Daniel Friesel <derf@derf.homelinux.org>
Date: Tue, 24 Mar 2009 22:36:06 +0100
Subject: help: check for argument

---
 etc/functions/help | 5 +++++
 1 file changed, 5 insertions(+)

(limited to 'etc/functions')

diff --git a/etc/functions/help b/etc/functions/help
index 62278a8..7f5e35b 100755
--- a/etc/functions/help
+++ b/etc/functions/help
@@ -29,6 +29,11 @@ function help_show_apt {
 	apt-cache show ${(s/:/)$(apt-file search -F $commands[$1])[1]}
 }
 
+if [[ -z $1 ]] {
+	echo "Usage: help <command>" > /dev/stderr
+	return 1
+}
+
 for method in $methods; {
 	if help_check_$method $1; then
 		((found++))
-- 
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