Date: Thu, 16 May 2013 10:45:25 -0500 From: Dan Nelson <dnelson@allantgroup.com> To: Tim Daneliuk <tundra@tundraware.com> Cc: freebsd-questions@freebsd.org Subject: Re: check variable content size in sh script Message-ID: <20130516154525.GA57497@dan.emsphone.com> In-Reply-To: <5194FB0A.9090400@tundraware.com> References: <5194F65F.6080503@a1poweruser.com> <5194FB0A.9090400@tundraware.com>
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In the last episode (May 16), Tim Daneliuk said:
> On 05/16/2013 10:08 AM, Joe wrote:
> > Hello
> >
> > Have script that has max size on content in a variable.
> > How to code size less than 51 characters?
> >
>
> FOO="Some string you want to check length of"
> FOOLEN=`echo $FOO | wc | awk '{print $3}'`
>
> You can then use $FOOLEN in a conditional.
Much better way:
FOO="Some string you want to check length of"
FOOLEN=${#FOO}
--
Dan Nelson
dnelson@allantgroup.com
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