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Re: Unexpected behavior of 'declare +n var' when var's target is unset a


From: Chet Ramey
Subject: Re: Unexpected behavior of 'declare +n var' when var's target is unset and undeclared
Date: Fri, 9 Mar 2018 15:47:42 -0500
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.12; rv:52.0) Gecko/20100101 Thunderbird/52.6.0

On 3/8/18 2:51 PM, GreatBigDot wrote:

> Bash Version: 4.4
> Patch Level: 19
> Release Status: release
> 
> Description:
>       If you try to turn a nameref back a regular variable with
> 'declare -n' but the nameref is pointing to an undeclared variable, the
> nameref remains a nameref, and the variable it points to is declared
> (but remians unset).

Thanks for the report. This is a bug: the code neglected to remove the
nameref attribute from `foo' before tying to modify the attributes of the
referenced variable (`bar'). It will be fixed in the next devel snapshot.

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



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