Re: feature suggestion: ability to expand a set of elements of an array or characters of a scalar, given their indices

[Zachary Santer]

On Wed, Jun 26, 2024 at 2:30 PM Chet Ramey <chet.ramey@case.edu> wrote:
>
> On 6/26/24 2:18 PM, Zachary Santer wrote:
>
> >> On Tue, Jun 11, 2024, 12:49 PM Zachary Santer <zsanter@gmail.com> wrote:
> >>>
> >>> $ array=( zero one two three four five six )
> >>> $ printf '%s\n' "${array[@]( 1 5 )}"
> >>> one
> >>> five
> >
> > This is different functionality.
>
> Equivalent to printf '%s\n' "${array[1}" "${array[5]}". The innovation Zach
> wants is to have a single word expansion to do this.

Yes, but of course the set of indices you need could be determined
dynamically, in which case the above isn't going to work.