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Date: Tue, 7 Jan 1997 17:19:42 -0800 (PST)
From: Steve Reid <steve@edmweb.com>
To: rg@gds.de
cc: freebsd-isp@freebsd.org
Subject: Re: grep & replace
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> I have to replace one special word in about one hundred files. The 
> expression could be several time in some files.
> Is there something like grep that would not only find these 
> expressions but also replace them by the new one?

Try sed. You'll probably get more info from looking at shell scripts
that use sed (look in /etc) than from the sed man page.

If you need to do really complex stuff, you might prefer Perl.