Re: process substitution flawed by design

[Greg Wooledge]

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