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From: Chet Ramey <chet.ramey@case.edu>
Newsgroups: gnu.bash.bug
Subject: Re: updating shopt compat settings to include current version
Date: Fri, 16 Oct 2015 14:26:19 -0400
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On 10/16/15 11:37 AM, Chet Ramey wrote:

> unset BASH_COMPAT
> shopt -u compat31 compat32 compat40 compat41
> shopt -s compat42 2>/dev/null || :
> 
> to set shell_compatibility_level to 42 on bash versions >= bash-4.2.
> 
> (this needs the attached patch for bash-4.3 to fix a typo in shopt.def)

And, of course, you can just add

BASH_COMPAT=42

at the end to get around the unpatched bash-4.3 bug.

- -- 
``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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