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Re: Is this the expected behaviour for nameref in Bash 4.4 now?


From: Chet Ramey
Subject: Re: Is this the expected behaviour for nameref in Bash 4.4 now?
Date: Fri, 28 Oct 2016 10:01:15 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.11; rv:45.0) Gecko/20100101 Thunderbird/45.4.0

On 10/20/16 7:44 PM, Jack Kuan wrote:
> Thanks for replying.
> 
> I was expecting that in the second iteration of the loop, the
> local var=var_123  command would make var a normal variable again with
> value "var_123"

This is the bad assumption.  You didn't unset `var' before doing this, so
it retains its local attribute and its nameref attribute.  Trying to make
a local variable from an already-local variable is a no-op.

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



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