bug-bash
[Top][All Lists]
Advanced

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

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: Sat, 18 Mar 2017 13:19:05 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:45.0) Gecko/20100101 Thunderbird/45.8.0

On 3/17/17 6:35 PM, Dan Douglas wrote:

> The problem is the non-obvious nature of unset's interaction with scope,
> (and the lack of documentation). Not much can be done about the former,
> as it is with so many things.

How would you suggest improving the documentation? I can see highlighting
the fact that unset applied to a local variable at the same scope
preserves the local attribute. What else?


-- 
``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/



reply via email to

[Prev in Thread] Current Thread [Next in Thread]