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Re: Weird set -u error



On Sat, Aug 27, 2022 at 10:32:06AM +1000, David wrote:
> On Sat, 27 Aug 2022 at 10:27, Greg Wooledge <greg@wooledge.org> wrote:
> > On Sat, Aug 27, 2022 at 10:21:08AM +1000, David wrote:
> 
> > > Just sharing something that I tried, to shed some more light
> > > on this, in case that's useful ...
> > >
> > > $ foo() { case "$-" in *i* ) i=interactive ;; * ) i=not-interactive ;;
> > > esac ; echo $BASHPID $i ; }
> > > $ declare -fx foo
> > > $ foo
> > > 2415 interactive
> > > $ foo ; ( foo ) ; foo
> > > 2415 interactive
> > > 2512 interactive
> > > 2415 interactive
> > > $ bash -c foo
> > > 2515 not-interactive
> > > $ foo ; ( bash -c foo ) ; foo
> > > 2415 interactive
> > > 2516 not-interactive
> > > 2415 interactive
> > > $ foo ; ( foo ; bash -c foo ; foo ) ; foo
> > > 2415 interactive
> > > 2517 interactive
> > > 2518 not-interactive
> > > 2517 interactive
> > > 2415 interactive
> >
> > I get these results as well, with Debian 11's packaged bash.

Same results here...

> Yeah, sorry, I forgot to include, for the record:
> 
> $ echo $BASH_VERSION
> 5.1.4(1)-release
> $ apt list --installed bash
> Listing... Done
> bash/stable,now 5.1-2+deb11u1 amd64 [installed]

... and same bas version. Hmmm.

Cheers
-- 
t

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