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Re: coproc and existing variables

From: Piotr Grzybowski
Subject: Re: coproc and existing variables
Date: Thu, 21 Apr 2016 09:51:08 +0200

On 21 Apr 2016, at 09:36, Grisha Levit wrote:

> A few issues inspired by the coproc proposal in this thread: 
> http://lists.gnu.org/archive/html/bug-bash/2016-04/msg00050.html
> 1. coproc unsets readonly NAME after the process completes [..]
> 2. Segfault if NAME is an existing associative array [..]

 these two can and in my opinion should be checked and ruled out before 
allocating coproc, at the begining of execute_coproc.

> 3. If NAME is $,?,@, etc, bash will create a new array variable with that 
> name.  This zeroth index of this array variable will then take precedence 
> over the real variable in some contexts

 these and others will be no longer an issue, when the patch in the thread you 
mention gets merged see 


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