Re: temp env allows variables that look like array subscripts

From	Chet Ramey <chet.ramey@case.edu>
Newsgroups	gnu.bash.bug
Subject	Re: temp env allows variables that look like array subscripts
Date	2018-12-11 15:07 -0500
Organization	ITS, Case Western Reserve University
Message-ID	<mailman.5603.1544558876.1284.bug-bash@gnu.org> (permalink)
References	<CAMu=Brp=7yuZwb5qa-ymLWsuS=N0qyQvR7KopO5vfZTm==DM8Q@mail.gmail.com> <38b37862-1f2b-fb34-6ab6-8cd6c9439908@case.edu> <CAMu=BroyPAAq0oOH5+0aHGr9_f5_j3k0AuY5TOkP2n+ZhkEjOA@mail.gmail.com> <CAMu=Brpe=c=YEOot1mu66d5DX+3eiscVHGzqcmAj_+bA62VRTg@mail.gmail.com>

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On 12/8/18 11:45 PM, Grisha Levit wrote:
> FWIW, namerefs in the temporary environment bypass the implemented checks:
> 
>     $ declare -n ref=var[0]
>     $ ref=X printenv 'var[0]'
>     X

Thanks for the report. We should follow namerefs, but in this case not
allow nameref values that aren't valid shell identifiers. I will fix this
for the next devel branch push.

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

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Re: temp env allows variables that look like array subscripts Chet Ramey <chet.ramey@case.edu> - 2018-12-11 15:07 -0500

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