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Date: 25 Jan 2013 01:10:01 -0000
Message-ID: <20130125011001.4689.qmail@joyce.lan>
From: "John Levine" <johnl@iecc.com>
To: freebsd-questions@freebsd.org
Subject: Re: sh script ?
In-Reply-To: <5101786C.3070209@a1poweruser.com>
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>I get this message [: 10.0.10.21: bad number on this code
>
>    [ "${saved_ip}" -eq "${used_ip}" ] && echo "good match"
>
>Both variables have valid ip addresses in them.
>Why does it think the variable content is a number and not text?
>What am I doing wrong?

My guess would be that you didn't read the man page for the "test"
(sometimes spelled "[" ) command.