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Re: different exit codes in $? and ${PIPESTATUS[@]}


From: Andreas Schwab
Subject: Re: different exit codes in $? and ${PIPESTATUS[@]}
Date: Sun, 14 Oct 2012 11:07:01 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.2 (gnu/linux)

Wladimir Sidorenko <wlsidorenko@gmail.com> writes:

> To my mind the '!' operator should have had a higher precedence during
> parsing command line arguments than the pipe and applied only to the
> command it was immediately preceding. So that in
>
> ! command1 | command2 | command3
>
> it would only negate command1.

Which doesn't make sense, since the exit code of command1 has no
significance.  The exit code of a pipeline is that of the last command.

Andreas.

-- 
Andreas Schwab, schwab@linux-m68k.org
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