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Re: "unset var" pops var off variable stack instead of unsetting it


From: Chet Ramey
Subject: Re: "unset var" pops var off variable stack instead of unsetting it
Date: Wed, 22 Mar 2017 11:30:51 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:45.0) Gecko/20100101 Thunderbird/45.8.0

On 3/21/17 3:19 AM, Dan Douglas wrote:

> Also not documented is how a variable declared with declare/typeset is
> distinct from an unset variable.

I don't know, I think this is pretty clear:

"A parameter is set if it has been assigned a value."

The previous paragraph discusses attributes.  The subsequent paragraph
discusses how values are assigned.

-- 
``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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