On Wed, Aug 27, 2025 at 10:36 AM Chet Ramey <chet.ra...@case.edu> wrote: > > I'm leaving it undocumented to discourage its use, yes. One thing I've > discovered is that you can never remove a feature (e.g. $[expr]).
$[expr] at least has the documented equivalent $((expr)). If you're committed to leaving ${parameter~~} in place, why discourage its use? > Is it useful enough to add a parameter transformation for it? What should > bash use for the operator? To me, ${parameter@[UuL]} are redundant. I don't have a strong opinion on this.