On Thu, Jun 15, 2023, 15:06 Chet Ramey <chet.ra...@case.edu> wrote: > On 6/14/23 5:18 PM, alex xmb ratchev wrote: > > > [[ -v a["$subscript"] ]] > > > > is already an arithmetic expansion error in bash-5.2, but not in > bash-5.1. > > > > > > hello there .. > > > > i dont get much > > it d be an arith err if array wasnt -A > > .. ? > > Yes, because only one expansion is performed, and so the subscript is the > command substitution, which is not a valid arithmetic expression. >
very good i like now it works like this , . the old was bugged > > > so i shopt -s array_expand_once > > and [[ -v foo["$var"] ]] > > .. is the right way ? ( for the change , the future ) > > It's not as important for compound commands like [[, but for builtins like > test/[, yes, this is the way to use it. > alright , thanks greets -- > ``The lyf so short, the craft so long to lerne.'' - Chaucer > ``Ars longa, vita brevis'' - Hippocrates > Chet Ramey, UTech, CWRU c...@case.edu http://tiswww.cwru.edu/~chet/ > >