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Date: Mon, 20 May 2002 21:40:21 +0200
From: Matthias Buelow <mkb@informatik.uni-wuerzburg.de>
To: Archie Cobbs <archie@dellroad.org>
Cc: freebsd-questions@freebsd.org
Subject: Re: sh 'here document' question
Message-ID: <20020520194021.GC38186@reiher.informatik.uni-wuerzburg>
References: <200205201905.g4KJ5MM53848@arch20m.dellroad.org>
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Archie Cobbs 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.

--mkb


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