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Re: param expansion with single-character special vars in the environmen

From: Chet Ramey
Subject: Re: param expansion with single-character special vars in the environment
Date: Thu, 5 May 2016 08:49:54 -0400
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:45.0) Gecko/20100101 Thunderbird/45.0 
On 5/4/16 3:37 PM, Piotr Grzybowski wrote:
> 
> On 4 May 2016, at 17:51, Chet Ramey wrote:
> 
>> The issue I'm thinking about currently is whether or not to allow nameref
>> variables to have numeric (integer) values.  bash-4.3 didn't allow those
>> values to be expanded, but allowed them to be assigned.  It doesn't seem
>> harmful to change the error to assignment time.
> 
> I vote for error at assignment, whats the point of allowing pointless 
> assignment?

No reason, except for minimal backwards compatibility.  I'm leaning towards
that position myself.


-- 
``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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