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Re: temp env allows variables that look like array subscripts


From: Chet Ramey
Subject: Re: temp env allows variables that look like array subscripts
Date: Tue, 11 Dec 2018 15:07:44 -0500
User-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:52.0) Gecko/20100101 Thunderbird/52.9.1

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    address@hidden    http://tiswww.cwru.edu/~chet/



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