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Re: process substitution flawed by design
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From: |
Greg Wooledge |
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Subject: |
Re: process substitution flawed by design |
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Date: |
Mon, 20 Feb 2017 17:29:38 -0500 |
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User-agent: |
Mutt/1.4.2.3i |
On Mon, Feb 20, 2017 at 11:25:22PM +0100, Florian Mayer wrote:
> echo foo | tee >(echo $$) >(echo $$) >/dev/null | cat
>
> returns the same PID twice.
$$ is the PID of the main shell. I think what you want is the PID of
each subshell, $BASHPID.
imadev:~$ cat <(echo $$) <(echo $$)
3751
3751
imadev:~$ cat <(echo $BASHPID) <(echo $BASHPID)
3284
3285