Path: utzoo!censor!geac!torsqnt!hybrid!scifi!bywater!uunet!infonode!fordke
From: fordke@infonode.ingr.com (Keith Ford x8614)
Newsgroups: comp.mail.elm
Subject: Re: filters
Message-ID: <1991Jan21.182312.12920@infonode.ingr.com>
Date: 21 Jan 91 18:23:12 GMT
References: <1991Jan21.160107.14157@en.ecn.purdue.edu>
Organization: Intergraph Corp. Huntsville, AL
Lines: 29

In article <1991Jan21.160107.14157@en.ecn.purdue.edu> nichols@en.ecn.purdue.edu (Scott P Nichols) writes:
>Is there a way to have the filter do more than one job on a letter?

I use filter rules to pipe the letter to a temporary file, then call
a script file to do futher processing.

  if ( subject "junk" )
    then execute "cat - >/tmp/junk.$$; /usr/joe/bin/doJUNK $$"

The $$ in a ksh indicates the pid of the program.  Since multiple
copies of filter could be running simultaneously, this prevents
your temporary files from being over-written.

The /usr/joe/bin/doJUNK program is something like this:

    # where are we?
    cd /tmp
    # send this to jane
    elm -s "Junk" jane <junk.$1
    # add to one of my folders so I can read it
    cat junk.$1 >>/usr/joe/Mail/junk
    # put a copy out for the server
    mv junk.$1 /usr/server/junk.$1

Hope this helps.
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