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Re: Passing the results of GREP into a Bash Variable


From: Chet Ramey
Subject: Re: Passing the results of GREP into a Bash Variable
Date: Wed, 11 Jul 2001 11:26:55 -0400

>     I am working on a script that requires the result of a grep to be
> piped or entered into a variable for an if, then, else check. Is that at
> all possible?

If you want the results that grep prints to the standard output, use
command substitution:

GREPOUT=$(grep ...)

If you want the exit status of grep, use $?:

grep ...
GREPSTAT=$?

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
( ``Discere est Dolere'' -- chet)

Chet Ramey, CWRU    chet@po.CWRU.Edu    http://cnswww.cns.cwru.edu/~chet/



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