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Re: Bash silently exits where attempting to assign an array to certain b
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From: |
Kerin Millar |
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Subject: |
Re: Bash silently exits where attempting to assign an array to certain built-in variables using declare |
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Date: |
Thu, 29 Jun 2023 17:20:37 +0100 |
On Thu, 29 Jun 2023 12:10:37 -0400
Chet Ramey <chet.ramey@case.edu> wrote:
> On 6/29/23 8:51 AM, Chet Ramey wrote:
>
> > It should be consistent, at least. I think the string assignment behavior
> > is the most reasonable: assignments return 1 but there's no assignment
> > error. I'll look at how compound assignments are different.
>
> I have reconsidered this. Making assignments that are supposed to be
> ignored set $? to 1 means that a shell with errexit enabled will exit.
> I don't think that's desirable. I don't think attempted assignments to
> noassign variables should change $?.
That seems reasonable to me. It would also make it less likely that the
evaluation of the prior output of declare -p - be in whole or in part - affects
the value of $?, which seems like a win.
--
Kerin Millar