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

X-seq: zsh-workers 51734
From: Bart Schaefer <schaefer@xxxxxxxxxxxxxxxx>
To: Sebastian Gniazdowski <sgniazdowski@xxxxxxxxx>
Cc: Zsh hackers list <zsh-workers@xxxxxxx>
Subject: Re: Get exit code of a command run via coproc {cmd}?
Date: Tue, 9 May 2023 10:08:33 -0700
Archived-at: <https://zsh.org/workers/51734>
In-reply-to: <CAKc7PVD4Odj_gVDV4QJJw+cgYeod_0=BEwaF0xgNQAJ6g=fDbg@mail.gmail.com>
List-id: <zsh-workers.zsh.org>
References: <CAKc7PVD4Odj_gVDV4QJJw+cgYeod_0=BEwaF0xgNQAJ6g=fDbg@mail.gmail.com>

On Tue, May 9, 2023 at 2:46 AM Sebastian Gniazdowski
<sgniazdowski@xxxxxxxxx> wrote:
>
> I'm running a command in coproc:
> I would like to know if the [coproc] succeeded

The value of $! immediately after starting the coproc is its process
ID, just like any other background job.
  coproc ...
  coproc_pid=$!
  ...
  wait $coproc_pid
will give you the exit status, modulo the caveats explained under the
"wait" description.

References:
- Get exit code of a command run via coproc {cmd}?
  - From: Sebastian Gniazdowski

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