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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: |
Tue, 31 May 2016 11:12:00 -0400 |
User-agent: |
Mozilla/5.0 (Macintosh; Intel Mac OS X 10.10; rv:45.0) Gecko/20100101 Thunderbird/45.1.0 |
On 5/27/16 1:38 PM, Grisha Levit wrote:
> How about removing the nameref attribute from an existing readonly
> variable? This is currently allowed but perhaps for completeness it should
> be forbidden?
For ksh93 compatibility, bash should prevent the readonly attribute from
being removed from readonly nameref variables that have a value. namerefs
that only have attributes (technically unset) can be manipulated like that.
FWIW, ksh93 prohibits namerefs with values from being set to readonly.
--
``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/
- Re: param expansion with single-character special vars in the environment, Chet Ramey, 2016/05/01
- Re: param expansion with single-character special vars in the environment, Chet Ramey, 2016/05/02
- Re: param expansion with single-character special vars in the environment, Chet Ramey, 2016/05/02
- Re: param expansion with single-character special vars in the environment, Chet Ramey, 2016/05/02
- Re: param expansion with single-character special vars in the environment, Chet Ramey, 2016/05/04
- Re: param expansion with single-character special vars in the environment, Piotr Grzybowski, 2016/05/04
- Re: param expansion with single-character special vars in the environment, Dan Douglas, 2016/05/04
- Re: param expansion with single-character special vars in the environment, Dan Douglas, 2016/05/04