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

I guess so. That seems like a ... strange thing to implement.

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