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Get exit code of a command run via coproc {cmd}?

X-seq: zsh-workers 51731
From: Sebastian Gniazdowski <sgniazdowski@xxxxxxxxx>
To: Zsh hackers list <zsh-workers@xxxxxxx>
Subject: Get exit code of a command run via coproc {cmd}?
Date: Tue, 9 May 2023 09:45:32 +0000
Archived-at: <https://zsh.org/workers/51731>
List-id: <zsh-workers.zsh.org>

Hi
I'm running a command in coproc:
coproc {ls -1 dir;}

I would like to know if the ls succeeded (could fail if e.g.: no
`dir`).. How to accomplish this task? $jobstates doesn't hold exit
code and is cleared immediately when ls ends with no chance to read
it.

-- 
Best regards,
Sebastian Gniazdowski

Follow-Ups:
- Re: Get exit code of a command run via coproc {cmd}?
  - From: Bart Schaefer

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