On Tue, Oct 17, 2023, 15:09 Zachary Santer <zsan...@gmail.com> wrote:
> On Tue, Oct 17, 2023 at 8:43 AM Zachary Santer <zsan...@gmail.com> wrote: > > > On Tue, Oct 17, 2023 at 8:00 AM Greg Wooledge <g...@wooledge.org> wrote: > > > >> unicorn:~$ unset -v a b c array > >> unicorn:~$ a=b b=c c=42 array[a]=foo; declare -p array > >> declare -a array=([42]="foo") > >> > > What? What is Bash doing here? Dereferencing iteratively until it finds > > something it can do arithmetic with? > > > > $ unset -v a b c d array > $ a=b b=c c=d array[a]=foo; declare -p array > -bash: d: unbound variable > declare -A array and array[$a]=foo I guess so. That seems like a ... strange thing to implement. >