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Re: echo thing | read thang


From: Paul Jarc
Subject: Re: echo thing | read thang
Date: Wed, 01 Aug 2001 18:36:09 -0400
User-agent: Gnus/5.090004 (Oort Gnus v0.04) Emacs/20.7

Philip Lijnzaad <address@hidden> writes:
> (I was actually exploring why on earth echo foo | read bar; echo $bar does
> not work; I consider this a bug as well, perhaps not as 'blatant' as the
> above one, but puzzling nonetheless).

See question E4 in the FAQ; each command in a pipeline is run in a
separate process, so the process that performs the "read" commands is
not the process that performs the subsequent "echo" command.  You may
find this useful: read var < <(command)


paul



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