Date: Fri, 10 Dec 2004 02:54:39 +0200 From: Panagiotis Christias <christias@gmail.com> To: david.jenkins@gmail.com Cc: freebsd-questions@freebsd.org Subject: Re: Find & Replace string Message-ID: <e4b0ecef041209165435e21e24@mail.gmail.com> In-Reply-To: <57905.192.168.0.3.1102629017.squirrel@192.168.0.3> References: <019101c4de0e$dbdeb2d0$0200000a@SAGEAME> <20041209181336.GA3650@gentoo-npk.bmp.ub> <01cb01c4de1f$e8dbae00$0200000a@SAGEAME> <57905.192.168.0.3.1102629017.squirrel@192.168.0.3>
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On Thu, 9 Dec 2004 21:50:17 -0000 (GMT), David Jenkins
<david.jenkins@gmail.com> wrote:
> On Thu, 9 December, 2004 18:50, antenneX said:
> > No, I want to interrogate several hundred thousand files throughout
> > several thousand directories to find/replace a single string within
> > each
> > file found. The string may appear more than once in a file.
>
> Try the following (make sure you have a backup first ;))
>
> perl -pi -e 's/STRING_TO_FIND/STRING_TO_REPLACE_WITH/g' filename
>
> e.g. to replace all instances of foo with bar in a file called test
> you'd do:
>
> perl -pi -e 's/foo/bar/g' test
>
> You'd need to write a shell script to recursively run this on in each
> subdirectory.
Something like:
find /mydir -type f -exec perl -pi -e 's/foo/bar/g' {} \;
fast and effective.
Panagiotis
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