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Re: different exit codes in $? and ${PIPESTATUS[@]}
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From: |
Andreas Schwab |
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Subject: |
Re: different exit codes in $? and ${PIPESTATUS[@]} |
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Date: |
Wed, 10 Oct 2012 18:58:41 +0200 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/24.2 (gnu/linux) |
Wladimir Sidorenko <wlsidorenko@gmail.com> writes:
> Dear all,
>
> After running the following command:
>
> $ ! test 0 -eq 0
>
> I can see different exit codes in $? and ${PIPESTATUS[@]}. Here, what I get
>
> $ ! test 1 -eq 0 ; echo $? ${PIPESTATUS[@]}
> 0 1
>
> $ ! test 0 -eq 0 ; echo $? ${PIPESTATUS[@]}
> 1 0
>
> I'd like to know whether that's a desired behavior or a bug.
PIPESTATUS records the exit status of each command of a pipeline. !
operates on the whole pipeline, not on the invidual commands.
Andreas.
--
Andreas Schwab, schwab@linux-m68k.org
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756 01D3 44D5 214B 8276 4ED5
"And now for something completely different."
- different exit codes in $? and ${PIPESTATUS[@]}, Wladimir Sidorenko, 2012/10/10
- Re: different exit codes in $? and ${PIPESTATUS[@]},
Andreas Schwab <=
- Re: different exit codes in $? and ${PIPESTATUS[@]}, Chet Ramey, 2012/10/12
- Re: different exit codes in $? and ${PIPESTATUS[@]}, Wladimir Sidorenko, 2012/10/12
- Re: different exit codes in $? and ${PIPESTATUS[@]}, Eric Blake, 2012/10/12
- Re: different exit codes in $? and ${PIPESTATUS[@]}, Chet Ramey, 2012/10/13
- Re: different exit codes in $? and ${PIPESTATUS[@]}, Wladimir Sidorenko, 2012/10/14
- Re: different exit codes in $? and ${PIPESTATUS[@]}, Andreas Schwab, 2012/10/14
- Re: different exit codes in $? and ${PIPESTATUS[@]}, Wladimir Sidorenko, 2012/10/14
- Re: different exit codes in $? and ${PIPESTATUS[@]}, Chet Ramey, 2012/10/14
- Re: different exit codes in $? and ${PIPESTATUS[@]}, Dan Douglas, 2012/10/14
- Re: different exit codes in $? and ${PIPESTATUS[@]}, Chet Ramey, 2012/10/14