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From: Sebastian Gniazdowski <sgniazdowski@gmail.com>
Date: Wed, 13 Jun 2018 10:28:26 +0200
Message-ID: <CAKc7PVD7oeXkydGqr7FgXd66FaNkQBi1pGR2Wz9P4ghhXTfqTA@mail.gmail.com>
Subject: Re: Anyone familiar with auto-fu.zsh project?
To: dana <dana@dana.is>
Cc: Eric Freese <ericdfreese@gmail.com>, Zsh Users <zsh-users@zsh.org>
Content-Type: text/plain; charset="UTF-8"

dana did some tests on this:

#include <stdio.h>
#include <unistd.h>
int main() {
  pid_t ppid = getppid();
  printf("%d\n", ppid);
  return 0;
}

Effects:
~ exec {FD2}< <( ./gettpid; : ); cat <&$FD2; echo $$
37343
43163

~ exec {FD2}< <( ./gettpid ); cat <&$FD2; echo $$
43163
43163

Wonder why ":" is needed, to gettpid be not the last command.

-- 
Best regards,
Sebastian Gniazdowski