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Re: coproc and existing variables
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From: |
Grisha Levit |
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Subject: |
Re: coproc and existing variables |
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Date: |
Thu, 21 Apr 2016 14:39:32 -0400 |
On Thu, Apr 21, 2016 at 1:22 PM, Chet Ramey <chet.ramey@case.edu> wrote:
>
> > 1. coproc unsets readonly NAME after the process completes
>
> Yes. This is a gray area. Under some circumstances, e.g, getopts with
> OPTARG, defined shell behavior can override a readonly setting.
Probably should at least disallow this case?
$ bash -r -c 'coproc PATH { :; }; wait; PATH=/whatever; echo $PATH'
bash: PATH: readonly variable
bash: PATH: readonly variable
/whatever