From: Sebastian Gniazdowski <sgniazdowski@gmail.com>
To: Pier Paolo Grassi <pierpaolog@gmail.com>
Cc: Zsh-Users List <zsh-users@zsh.org>
Subject: Re: check if coproc has output
Date: Thu, 19 Jan 2023 16:01:38 +0000 [thread overview]
Message-ID: <CAKc7PVCs84nh8sFNcXCJJ14SH2CHUGBZ3erwrRUVE0tptxDWrQ@mail.gmail.com> (raw)
In-Reply-To: <CAP+y1xDXHZUj7Uad9dVia_HAsdpkDVsVLH3_6wBH=5fLmQQtSw@mail.gmail.com>
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You could get pid from $jobtexts?
On Thu, 19 Jan 2023 at 15:43, Pier Paolo Grassi <pierpaolog@gmail.com>
wrote:
> I realize now the subject doesn't reflect the final version of the mail,
> sorry for that
>
> Pier Paolo Grassi
>
>
> Il giorno gio 19 gen 2023 alle ore 16:32 Pier Paolo Grassi <
> pierpaolog@gmail.com> ha scritto:
>
>> Hello, I want to populate an array from a long running process, something
>> like:
>>
>> long_running_process | while read line
>> do
>> array+=$line
>> done
>>
>> problem is, since long_running_process does not continually produce
>> output but only some times, when i try to interrupt this pipeline with
>> ctrl-c I have to wait until it produces some output for the process to
>> terminate (because, as I understand it, when it tries to write to the pipe
>> it receives a sigpipe due to it being already closed)
>>
>> I have tried various constructs with trap and even coproc to be able to
>> intercept the ctrl-c and send a sigpipe to the long running process, but to
>> no result.
>>
>> I wonder if someone has some solution to share for this problem, thanks
>>
>> Pier Paolo Grassi
>>
>
--
Best regards,
Sebastian Gniazdowski
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next prev parent reply other threads:[~2023-01-19 16:08 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-01-19 15:32 Pier Paolo Grassi
2023-01-19 15:42 ` Pier Paolo Grassi
2023-01-19 16:01 ` Sebastian Gniazdowski [this message]
2023-01-19 16:08 ` Pier Paolo Grassi
2023-01-19 16:09 ` Sebastian Gniazdowski
2023-01-19 16:13 ` Pier Paolo Grassi
2023-01-19 16:36 ` Sebastian Gniazdowski
2023-01-19 16:53 ` Pier Paolo Grassi
2023-01-19 16:02 ` Roman Perepelitsa
2023-01-19 16:24 ` Pier Paolo Grassi
2023-01-19 16:33 ` Roman Perepelitsa
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