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Date:      Wed, 26 Sep 2001 11:12:38 +1000
From:      Edwin Groothuis <edwin@mavetju.org>
To:        BSD Freak <bsd-freak@mbox.com.au>
Cc:        FreeBSD Questions <freebsd-questions@FreeBSD.ORG>
Subject:   Re: if then statement with grep
Message-ID:  <20010926111238.C99595@k7.mavetju.org>
In-Reply-To: <9131a6912c7d.912c7d9131a6@mbox.com.au>; from bsd-freak@mbox.com.au on Wed, Sep 26, 2001 at 10:56:43AM %2B1000
References:  <9131a6912c7d.912c7d9131a6@mbox.com.au>

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On Wed, Sep 26, 2001 at 10:56:43AM +1000, BSD Freak wrote:
> if `grep "expected line" /var/log/mylogfile` does NOT return something
> then
> mail -s "Alert" me@mycompany.com
> otherwise don't bother me

if [ ! -z "`grep "expected line" /var/log/mylogfile`" ]; then
	... do your stuff here ...
fi


For the -z explanation, see the man page of test.

Edwin

-- 
Edwin Groothuis   |              Personal website: http://www.MavEtJu.org
edwin@mavetju.org |           Interested in MUDs? Visit Fatal Dimensions:
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