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Re: Funny Bash behavior

From: Derek Robert Price
Subject: Re: Funny Bash behavior
Date: Wed, 17 Mar 2004 11:47:42 -0500
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Derek Robert Price wrote:

> Hey all,
> I've cc'd the bug-autoconf list as well as the bug-bash list - this
> isn't precisely an Autoconf question, but I thought the Autoconf folks
> might also have the experience to answer my question:
> Running Linux 2.4.20 (actually 2.4.20-28 from RedHat) and bash 2.05b,
> the following sort of setup:
> touch script
> chmod a+x script
> cat >script <<EOF
> #! /bin/sh
> echo "example text"
> echo ...
> echo "some other text"
> echo "some other text"
> echo "some other text"
> echo "some other text"
> echo "some other text"
> cat >/dev/null
> ./script </dev/null
> Causes Bash to report about half the time an error that the parser
> reached an early EOF while looking for a closing quote and sometimes
> errors like "bash: ho: command not found".  If I put a "sleep 1" command
> in between the cat and the ./script, I no longer see failures but this
> sounds like I am just drawing out the race condition.
> I actually can't get the above script to fail as I've described, but I
> do have a much longer script that does something very like the above as
> an internal step and I get this error very consistently.
> Has anyone heard of anything like this before?
> Derek

Incidentally I can reproduce this with bash 2.05 too.

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