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From: gwyn@smoke.BRL.MIL (Doug Gwyn)
Newsgroups: comp.unix.questions
Subject: Re: shell script question
Message-ID: <12283@smoke.BRL.MIL>
Date: 4 Mar 90 00:42:07 GMT
References: <652@sagpd1.UUCP>
Reply-To: gwyn@brl.arpa (Doug Gwyn)
Organization: Ballistic Research Lab (BRL), APG, MD.
Lines: 7

In article <652@sagpd1.UUCP> jharkins@sagpd1.UUCP (Jim Harkins) writes:
>	sed 's/foo/$i/' < $i > tmp
>But what this does is replace 'foo' with '$i', not the filename.

Not surprising when you consider that the shell does not perform variable
substitution within ''-quoted strings.  Use "" instead, or arrange for the
$i to be outside the quotes.