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Date:	Mon, 28 May 2001 10:20:12 -0500
From:	Paul Haahr <haahr@yahoo.com>
Reply-To: paul@paulhaahr.com
Subject: Re: bug?
To:	Russell Davies <russell.davies@db.com>
Cc:	rc@hawkwind.utcs.toronto.edu
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--- Russell Davies <russell.davies@db.com> wrote:
> 
> ; mkdir $HOME/e
> ; cdpath=$HOME
> ; cd /
> ; cd e
> /home/blah/e
> 
> ok, all is well. Suppose now I want to suppress the output of the cd
> e.
> 
> ; cd /
> ; cd e >/dev/null
> ; pwd
> /
> 
> huh? I haven't had time to dig too deeply but if someone else has
> looked at it before, I won't bother.

I don't have a Unix box in front of me to test or access to the source, but
rc commands with redirected I/O run in subshells;  thus, the directory of
your child process is changed, but not the parent process.

(I think we fixed that in es by remapping file descriptors all over the
place and forking way late in the game.)

--p

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