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From: bp@chorus.fr (Bruno Pillard)
Newsgroups: comp.unix.shell
Subject: Re: cat, pipes, and filters
Message-ID: <10918@chorus.fr>
Date: 3 Jun 91 09:43:04 GMT
Article-I.D.: chorus.10918
References: <1991May31.165446.1530@progress.com>
Sender: news@chorus.fr
Lines: 24

From article <1991May31.165446.1530@progress.com>, by root@progress.COM

>    However, the following command gives me the result I want:
> 
>    cat $FILE | sed s/"$ENTRY"/"$NEWENTRY"/ | tee $FILE 1>/dev/null
> 
>    Any enlightenment would be appreciated. 

What about:

  ( /bin/rm $FILE ; sed  s/"$ENTRY"/"$NEWENTRY"/ > $FILE ) < $FILE

I understand that this may look harmful at first glance because of the
/bin/rm of your precious file but it  works perfectly for  me under sh
and (t)csh.

Is there any problem using that construction ?

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