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Re: [Help-bash] Is it reasonable to let zero numeric value results in no
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From: |
Greg Wooledge |
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Subject: |
Re: [Help-bash] Is it reasonable to let zero numeric value results in non zero exit status? |
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Date: |
Mon, 22 Oct 2018 09:29:40 -0400 |
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User-agent: |
NeoMutt/20170113 (1.7.2) |
On Sun, Oct 21, 2018 at 04:18:31PM -0500, Peng Yu wrote:
> ((x=0))
> $ echo $?
> 1
>
> I am not sure whether it is a good idea to return non zero exit status
> when a numeric variable is zero, as this can cause problems when `set
> -e` is used. Is there is a strong justification why this behavior is
> reasonable?
https://mywiki.wooledge.org/BashFAQ/105