Re: check if coproc has output

[Pier Paolo Grassi <pierpaolog@gmail.com>]

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I did again the search in the manual and now I found it, maybe I mistyped
the first time
where do you suggest I try to print this array?

Pier Paolo Grassi


Il giorno gio 19 gen 2023 alle ore 17:10 Sebastian Gniazdowski <
sgniazdowski@gmail.com> ha scritto:

> Are you running zsh 3.0? That would only explain lack of following in
> zshall:
>
>        jobtexts
>               This associative array maps job numbers to the texts of the
> command
>               lines that were used to start the jobs.
>
>               Handling  of  the keys of the associative array is as
> described for
>               jobdirs above.
>
>
> On Thu, 19 Jan 2023 at 16:08, Pier Paolo Grassi <pierpaolog@gmail.com>
> wrote:
>
>> I'm sorry, what is $jobtexts? it seems an empty variable to me and
>> doesn't appear in zshall manual
>>
>> Pier Paolo Grassi
>>
>>
>> Il giorno gio 19 gen 2023 alle ore 17:02 Sebastian Gniazdowski <
>> sgniazdowski@gmail.com> ha scritto:
>>
>>> 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
>>>
>>>
>
> --
> Best regards,
> Sebastian Gniazdowski
>
>

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