Path: utzoo!attcan!uunet!virtech!cpcahil
From: cpcahil@virtech.uucp (Conor P. Cahill)
Newsgroups: comp.unix.questions
Subject: Re: shell script question
Message-ID: <1990Mar4.133827.4967@virtech.uucp>
Date: 4 Mar 90 13:38:27 GMT
References: <652@sagpd1.UUCP>
Reply-To: cpcahil@virtech.UUCP (Conor P. Cahill)
Organization: Virtual Technologies Inc., Sterling VA
Lines: 16

In article <652@sagpd1.UUCP> jharkins@sagpd1.UUCP (Jim Harkins) writes:
>
>foreach i (list of files)
>	sed 's/foo/$i/' < $i > tmp
            ^^^^^^^^^^^
>	mv tmp $i
>end

The single quotes stop expansion of shell variables, hence the change to 
$i.  You should use something like

 	sed "s/foo/$i/" < $i > tmp
-- 
Conor P. Cahill            (703)430-9247        Virtual Technologies, Inc.,
uunet!virtech!cpcahil                           46030 Manekin Plaza, Suite 160
                                                Sterling, VA 22170