From owner-freebsd-questions  Mon May 20 13: 0:21 2002
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From: Archie Cobbs <archie@dellroad.org>
Message-Id: <200205201943.g4KJhOf54005@arch20m.dellroad.org>
Subject: Re: sh 'here document' question
In-Reply-To: <20020520194021.GC38186@reiher.informatik.uni-wuerzburg>
 "from Matthias Buelow at May 20, 2002 09:40:21 pm"
To: Matthias Buelow <mkb@informatik.uni-wuerzburg.de>
Date: Mon, 20 May 2002 12:43:24 -0700 (PDT)
Cc: Archie Cobbs <archie@dellroad.org>, freebsd-questions@freebsd.org
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Matthias Buelow writes:
> >Is this supposed to work? It doesn't.
> >
> >    $ cat foo.sh 
> >    PREFIX=foo
> >    SUFFIX=bar
> >    . << xxxEOFxxx
> >    ${PREFIX}${SUFFIX}=abc
> >    xxxEOFxxx
> >    echo foobar=${foobar}
> >    $ sh foo.sh 
> >    foobar=
> >    $
> >
> >This is FreeBSD 4.5-REL. If you write the '${PREFIX}${SUFFIX}=abc'
> >to a file and then input that file using '.' then it does work.
> >So why the difference?
> 
> What gives you the idea that the "." builtin parses input from stdin? 
> It surely is only documented as having a file argument, which it
> reads and parses.

Ah, that explains it.. thanks :-)

-Archie

__________________________________________________________________________
Archie Cobbs     *     Packet Design     *     http://www.packetdesign.com

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