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Re: Unset array doesn't work

From: Chet Ramey
Subject: Re: Unset array doesn't work
Date: Thu, 1 Mar 2018 10:17:40 -0500
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.6.0

On 3/1/18 8:26 AM, Greg Wooledge wrote:
> On Thu, Mar 01, 2018 at 10:34:30AM +0800, Clark Wang wrote:
>> Look at your answer to my question 6 years ago:
>> http://lists.gnu.org/archive/html/bug-bash/2012-04/msg00186.html
> I'm supposed to remember stuff from 6 years ago?  Well crap, I'm in
> trouble then.

You should; as I said in a subsequent message in that thread, your
explanation was pretty much spot on.

> Seriously, this behavior needs to be documented.

I can add something to the existing text describing dynamic scoping.

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

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