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Re: Passing variables by reference conflicts with local
From: |
Chet Ramey |
Subject: |
Re: Passing variables by reference conflicts with local |
Date: |
Tue, 01 May 2012 08:43:03 -0400 |
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On 4/30/12 5:24 AM, Dan Douglas wrote:
> On Monday, April 23, 2012 04:56:09 PM Clark Wang wrote:
>> On Wed, May 5, 2010 at 01:57, Freddy Vulto <fvulto@gmail.com> wrote:
>>> It appears that `unset' is capable of traversing down the call-stack and
>>> ...
>
> I reverse engineered most of this behavior a few months ago and wrote a
> detailed explaination and example here:
>
> http://wiki.bash-hackers.org/commands/builtin/unset#scope
>
> Hopefully most of that is correct.
This is pretty much right on. It's a nice piece of deduction.
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/
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