Re: array subscripts act differently for integers(ie. let)

[Chet Ramey]

On 2/18/15 3:49 PM, Maarten Billemont wrote:
>     > also this variant does the same:
>     > $ (('ar[$idbad2]+=11')) 
> 
> 
>     Because (( and let are essentially equivalent.
> 
> 
> I think the more important question isn't "why does (( behave this way?",
> but rather "should (( behave this way?".
> 
> It's probably not reasonable to expect the author to know and take into
> account that (( arr[$key] )) treats key's data as bash code. 

What does `bash code' mean?  It undergoes the usual set of word expansions.

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