From c93df29249b6b127b3768a17e973990ce371eb6e Mon Sep 17 00:00:00 2001
From: Michael DeHaan <michael.dehaan@gmail.com>
Date: Thu, 16 Aug 2012 21:40:52 -0400
Subject: [PATCH] Make a more logical error when the command/shell module is
 used with no arguments.

---
 library/command | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/library/command b/library/command
index b19e15e2e2..8aa9899fc5 100755
--- a/library/command
+++ b/library/command
@@ -35,6 +35,8 @@ def main():
     chdir = module.params['chdir']
     args  = module.params['args']
 
+    if args.strip() == '':
+        module.fail_json(msg="no command given")
 
     if chdir:
         os.chdir(chdir)