Thank you for your answer.
2025年4月8日(火) 0:40 Chet Ramey <chet.ra...@case.edu>:
> OK, so you're asking for a new feature/behavior change.
Yes.
> don't get me wrong, but it's a little late in the cycle for bash-5.3.
Yeah, that makes sense. I don't mind if the change would be applied in
a later version.
> > I'd be happy if the current behavior is fixed.
>
> So to be clear, you're requesting a behavior change so that expanding
> ${#a[0]}, ${#a[*]}, and ${#a[@]}, where a is a scalar variable, when
> nounset is enabled, does not result in an unbound variable error.
Right. That is the behavior I naively expect.
--
Koichi
