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From: merlyn@iwarp.intel.com (Randal Schwartz)
Newsgroups: comp.unix.questions
Subject: Re: How do I ask "if NOT" in shell?
Message-ID: <5096@omepd.UUCP>
Date: 23 Oct 89 20:18:58 GMT
References: <28381@shemp.CS.UCLA.EDU>
Sender: news@omepd.UUCP
Reply-To: merlyn@iwarp.intel.com (Randal Schwartz)
Organization: Stonehenge; netaccess via Intel, Hillsboro, Oregon, USA
Lines: 30
In-reply-to: kirkaas@oahu.cs.ucla.edu (paul kirkaas)

In article <28381@shemp.CS.UCLA.EDU>, kirkaas@oahu (paul kirkaas) writes:
| How can one say "if not" in a shellscript; that is, execute the body of
| the "then" only if the argument of "if" returns a non-zero exit status?
| 
| I would like something like:
| 
| if ! TESTCOMMAND
| then
| 	BODY
| fi
| 
| Stupid question?   Trivial answer?   I hope so.  Thanks.

Yeah.

if TESTCOMMAND
then
	: nada
else
	BODY
fi

Easy.

Just another Bourne-again hacker,
-- 
/== Randal L. Schwartz, Stonehenge Consulting Services (503)777-0095 ====\
| on contract to Intel's iWarp project, Hillsboro, Oregon, USA, Sol III  |
| merlyn@iwarp.intel.com ...!uunet!iwarp.intel.com!merlyn	         |
\== Cute Quote: "Welcome to Oregon... Home of the California Raisins!" ==/