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Groups > gnu.bash.bug > #16593
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| From | Rusty Bird <rustybird@net-c.com> |
| Newsgroups | gnu.bash.bug |
| Subject | Re: 'foo > >(bar)' doesn't set $! for external foo not invoked via 'command' |
| Date | Mon, 20 Jul 2020 14:11:19 +0000 |
| Lines | 52 |
| Approved | bug-bash@gnu.org |
| Message-ID | <mailman.228.1595254290.24492.bug-bash@gnu.org> (permalink) |
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| Cc | Oğuz <oguzismailuysal@gmail.com>, bug-bash@gnu.org |
| To | Chet Ramey <chet.ramey@case.edu> |
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Chet Ramey:
> >> Description:
> >> $! isn't set to the PID of 'bar' for
> >>
> >> foo > >(bar)
> >>
> >> if 'foo' is an external program (as opposed to a builtin or
> >> function) - unless it's invoked via 'command'.
>
> Redirections are performed in the subshell created to execute `foo', so the
> process substitution is invoked there and can't affect the parent's $!.
I guess my question is: Would it not make sense to always perform the
redirection before the subshell is created?
OTOH, looks like it's trivial to work around the issue by using
'{ foo; } > >(bar)'.
Rusty
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Re: 'foo > >(bar)' doesn't set $! for external foo not invoked via 'command' Rusty Bird <rustybird@net-c.com> - 2020-07-20 14:11 +0000
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