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Re: bash 5.0 nested array subscript arithmetic expansion error

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  Re: bash 5.0 nested array subscript arithmetic expansion error Chet Ramey <chet.ramey@case.edu> - 2018-10-17 10:05 -0400

#14717 — Re: bash 5.0 nested array subscript arithmetic expansion error

On 10/16/18 10:10 AM, Dan Douglas wrote:
> On Mon, Aug 27, 2018 at 8:12 PM Chet Ramey <chet.ramey@case.edu> wrote:
>>
>> On 8/27/18 12:25 PM, Grisha Levit wrote:
>>> This used to work:
>>>
>>> bash-4.4$ a=0
>>> bash-4.4$ echo $(( a[a[0]] ))
>>> 0
>>> bash-4.4$ echo ${a[a[a[0]]]}
>>> 0
> 
> Just curious, did you decide what to do with this?

Arithmetic subscript expansion (indexed arrays) will work the same as it
did in bash-4.4.

> If it were a temporary bodge I'd say add a shopt option to disable
> recursive subscript processing in the event someone depends upon weird
> strings in associative arrays. It often isn't a requirement. Too bad
> adding this would probably mean supporting it forever.

You know this has already been done, right?

-- 
``The lyf so short, the craft so long to lerne.'' - Chaucer
		 ``Ars longa, vita brevis'' - Hippocrates
Chet Ramey, UTech, CWRU    chet@case.edu    http://tiswww.cwru.edu/~chet/

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