From owner-freebsd-questions  Wed Apr 18 16: 8: 5 2001
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Date: Wed, 18 Apr 2001 19:07:51 -0400
From: John Capo <jc@irbs.com>
To: Laurence Berland <laurence@isp.northwestern.edu>
Cc: questions@freebsd.org
Subject: Re: OT:Use perl to substitute a string for another in many files
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References: <Pine.LNX.4.30.0104181723500.4364-100000@wiggum.isp.nwu.edu>
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In-Reply-To: <Pine.LNX.4.30.0104181723500.4364-100000@wiggum.isp.nwu.edu>; from laurence@isp.northwestern.edu on Wed, Apr 18, 2001 at 05:25:19PM -0500
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I use something like this:

    find blah.... | xargs perl -pi -e 's/a-string/b-string/g'

John Capo

Quoting Laurence Berland (laurence@isp.northwestern.edu):
> If I've got a bunch of files, that I can list using find, what is the best
> way, using perl, to substitute every instance of a string with a different
> string in all these files.
> 
> Basically I want to run s/a-string/b-string/g in place on each file.
> 
> Any ideas?  I have already hosed some files messing this up once, and
> don't want to risk doing it again.
> 

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