Re: declare a="$b" if $a previously set as array

[Chet Ramey]

On 12/17/14 3:58 AM, konsolebox wrote:
> On Mon, Dec 15, 2014 at 4:34 AM, Chet Ramey <chet.ramey@case.edu> wrote:
>> It does implement `emulated behavior of normal assignments'.  The question
>> is whether or not it should do that after having had its arguments undergo
>> one round of word expansion.
> 
> After studying the code I realized that that's actually the only thing
> we have to consider for changing.  It turns out that the solution here
> is to just not allow expanded arguments to have compound assignments.
> This may break a little compatibility but I believe it's the only
> proper solution for it.

Yes, if we decide to go that way, this is the place to change it.  There
are a few more things to do if we want to do more to unify the way that
arguments to declare and assignment statements are handled.

Chet

-- 
``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/