Re: waiting for process substitutions

[alex xmb sw ratchev]

On Mon, Jul 8, 2024, 22:57 Greg Wooledge <greg@wooledge.org> wrote:

> On Mon, Jul 08, 2024 at 22:45:35 +0200, alex xmb sw ratchev wrote:
> > On Mon, Jul 8, 2024, 22:15 Chet Ramey <chet.ramey@case.edu> wrote:
> >
> > > On 7/8/24 4:02 PM, alex xmb sw ratchev wrote:
> > >
> > > > hi , one question about ..
> > > > if a cmd contains more substitions like >( or <( , how to get all $!
> > > > maybe make ${![<cmdnum>]} , or is such already .. ?
> > >
> > > You can't. Process substitutions set $!, but you have to have a point
> > > where you can capture that if you want to wait for more than one.
> That's
> > > the whole purpose of this thread.
> > >
> >
> > so no ${![2]} or so ?
> > else i see only half complex start_first stuff
> >
> > anywa .. greets  = ))
>
> Bash has nothing like that, and as far as I know, nobody is planning to
> add it.
>
> If you need to capture all the PIDs of all your background processes,
> you'll have to launch them one at a time.  This may mean using FIFOs
> (named pipes) instead of anonymous process substitutions, in some cases.
>

and there is no process subs in ' jobs ' ? and no adding such either ?

:/

greets  : ))

>