Re: New array_expand_once option

[alex xmb ratchev]

On Wed, Jun 14, 2023, 15:34 Chet Ramey <chet.ramey@case.edu> wrote:

> On 6/13/23 7:12 PM, alex xmb ratchev wrote:
>
> > any word s about [[ -v
> > .. ?
> >
>
> Using the assignments above,
>
> [[ -v a["$subscript"] ]]
>
> is already an arithmetic expansion error in bash-5.2, but not in bash-5.1.
>

hello there ..

i dont get much
it d be an arith err if array wasnt -A
.. ?

so i shopt -s array_expand_once
and [[ -v foo["$var"] ]]
.. is the right way ? ( for the change , the future )

Inhibiting double expansions like those for shell compound commands was one
> of the changes between bash-5.1 and bash-5.2.
>
> --
> ``The lyf so short, the craft so long to lerne.'' - Chaucer
>                  ``Ars longa, vita brevis'' - Hippocrates
> Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/
>
>