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Re: errexit and local variable set by failing command
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From: |
Chet Ramey |
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Subject: |
Re: errexit and local variable set by failing command |
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Date: |
Wed, 1 Apr 2020 15:10:01 -0400 |
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User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:68.0) Gecko/20100101 Thunderbird/68.5.0 |
On 4/1/20 1:21 PM, Krystian Wojtas wrote:
> Aha, already known. Thank you for link. I'll get familiar with other cases.
>
> I just figured out that it works as expected if local variable is firstly
> declared and then set.
That's because the exit status of a command consisting only of assignment
statements is special-cased to be the exit status of the last command
substitution to occur while processing the assignments.
--
``The lyf so short, the craft so long to lerne.'' - Chaucer
``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU chet@case.edu http://tiswww.cwru.edu/~chet/