Re: No expansions performed while declaring an associative array using a list of keys and values

[Chet Ramey]

On 12/16/20 10:58 AM, Glenn Jackman wrote:
> On 2020-12-15 16:58, Chet Ramey wrote:
> > On 12/15/20 11:23 AM, Glenn Jackman wrote:
> > > I would think that these pairs of invocations would correspond:
> > >
> > >       declare -A v1=$( $foo 3 )
> > >       declare -A v1=$( [1]=2 [3]="")
> > >
> > >       declare -A v1=$( "$foo" 3 )
> > >       declare -A v1=$( ['1 2']=3 )
> > >
> > > Do word splitting and quote removal not occur within the parentheses of an
> > > _associative_ array definition?
> >
> > Associative array keys do not undergo word splitting on assignment, whether
> > they are used in a subscript or the alternate key-value synatx. This has
> > been the case since their introduction in bash-4.0.
>
> Ah, that's the bit I was missing. Thank you for taking the time to
> clarify. I don't see that documented in the manual though. Where did I
> miss it?

It's not stated explicitly; it simply does not make sense to do it any 
other way.

--
``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/