Re: Coproc within coproc supported?

[Alex fxmbsw7 Ratchev]

On Wed, Nov 16, 2022, 08:19 Tadeus Prastowo <0x66726565@gmail.com> wrote:

> Hi!
>
> The Bash 4.3.48 that comes shipped with Ubuntu 16.04 does not support
> multiple coprocesses, giving a warning when the second coprocess is
> created ("bash: warning: execute_coproc: coproc [16388:COPROC] still
> exists").
>

it still is same

As documented in the corresponding Bash man page, the section BUGS
> states that "[t]here may be only one active coprocess at a time."
>

to me a heavy non sense decision of bash

Is it true that the intention of the statement in the man page is that
> at most one coprocess exists for every concurrently running Bash
> process where $$ expands to the same PID?
>
> I ask the question because creating a coprocess within a coprocess
> does not raise the warning.  If the answer to the question is yes,
> then the warning should be raised when a coprocess is created within a
> coprocess.  If the answer is no, then the man page should clarify that
> the coproc within coproc case is allowed.
>
> Thank you.
>

sorry , had to input

-- 
> Best regards,
> Eus
>
>