[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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

From: Chet Ramey
Subject: Re: declare a="$b" if $a previously set as array
Date: Mon, 22 Dec 2014 13:23:00 -0500
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:31.0) Gecko/20100101 Thunderbird/31.3.0

On 12/17/14 3:58 AM, konsolebox wrote:
> On Mon, Dec 15, 2014 at 4:34 AM, Chet Ramey <address@hidden> 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.


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

reply via email to

[Prev in Thread] Current Thread [Next in Thread]