Re: Global variable modification by nameref chain

[Chet Ramey]

On 4/27/16 9:05 AM, Grisha Levit wrote:
> Is the behavior below expected? In the presence of a local $var, the
> /global/ $var can be modified by assigning a value to a local nameref that
> points to a global nameref that points to $var. However, the local nameref
> expands to the /local/ value of $var.

Yes, that's how it works.  The nameref resolution search doesn't re-start
back at the original context.  It's like a symbolic link -- it continues
at the same context as the resolved nameref.

I don't have any plans to change this before bash-4.4.

-- 
``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/