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From: chris@pixutl.UUCP (chris)
Newsgroups: net.unix,net.unix-wizards
Subject: Re: question-- Bourne (and C) SHELL
Message-ID: <32@pixutl.UUCP>
Date: Tue, 16-Sep-86 16:11:09 EDT
Article-I.D.: pixutl.32
Posted: Tue Sep 16 16:11:09 1986
Date-Received: Tue, 16-Sep-86 22:41:37 EDT
References: <1751@ittatc.ATC.ITT.UUCP> <7028@utzoo.UUCP> <150@humming.UUCP> <574@ih1ap.UUCP>
Organization: xePIX Inc., Nashua, N.H.
Lines: 27
Summary: what's wrong with ``[ $? != 0]''???
Xref: mnetor net.unix:5510 net.unix-wizards:7896

> 
> Correct me if I'm missing something.  What's wrong with:
> 
> 	ls foo
> 	if [ $? != 0 ]; then
> 		echo foo does not exist
> 	fi
> -- 
> 
> Steve Alesch	AT&T
> (312)510-7881, ...!ihnp4!ih1ap!sja


It should be:

	if [ $? -ne 0 ]; then

  '!=' is used to compare strings, -ne and family, integers...  :-)


  Chris
-- 

 Chris Bertin       :  (603) 881-8791 x218
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