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From: Sebastian Gniazdowski <sgniazdowski@gmail.com>
Date: Wed, 13 Jun 2018 09:27:56 +0200
Message-ID: <CAKc7PVD-qcYmSDvisqf1Fea3Nw4DV-Ohe3UHSCST7WS4P=6Liw@mail.gmail.com>
Subject: Re: Anyone familiar with auto-fu.zsh project?
To: Eric Freese <ericdfreese@gmail.com>
Cc: Peter Stephenson <p.stephenson@samsung.com>, Zsh Users <zsh-users@zsh.org>
Content-Type: text/plain; charset="UTF-8"

On 13 June 2018 at 06:09, Eric Freese <ericdfreese@gmail.com> wrote:
> It just occurred to me that, with zsh/system, I can have the child process
> send its pid as the first line of output.
>
> Something like:
>
> ```
> % zmodload zsh/system
> % exec {FOO}< <(echo $sysparams[pid]; sleep 100; echo foo bar)
> % read childpid <&$FOO # Get the pid, stored in $childpid
> % cat <&$FOO # Handle the rest of the output
> ```

Cool. <() processes are fun, such tricks make a day. I wonder if
someone has some <( ) tricks up in sleeve, broadening of horizons
might result in better code or even architecture.

-- 
Best regards,
Sebastian Gniazdowski