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Re: Passing variables by reference conflicts with local


From: Dan Douglas
Subject: Re: Passing variables by reference conflicts with local
Date: Mon, 30 Apr 2012 02:24:19 -0700 (PDT)
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On Monday, April 23, 2012 04:56:09 PM Clark Wang wrote:
> On Wed, May 5, 2010 at 01:57, Freddy Vulto <address@hidden> 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.
-- 
Dan Douglas

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