bug-bash
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: different exit codes in $? and address@hidden


From: Andreas Schwab
Subject: Re: different exit codes in $? and address@hidden
Date: Wed, 10 Oct 2012 18:58:41 +0200
User-agent: Gnus/5.13 (Gnus v5.13) Emacs/24.2 (gnu/linux)

Wladimir Sidorenko <address@hidden> writes:

> Dear all,
>
> After running the following command:
>
> $  ! test 0 -eq 0
>
> I can see different exit codes in $? and address@hidden Here, what I get
>
> $ ! test 1 -eq 0 ; echo $? address@hidden
> 0 1
>
> $ ! test 0 -eq 0 ; echo $? address@hidden
> 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, address@hidden
GPG Key fingerprint = 58CA 54C7 6D53 942B 1756  01D3 44D5 214B 8276 4ED5
"And now for something completely different."



reply via email to

[Prev in Thread] Current Thread [Next in Thread]