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Gmane
From: David Korn <dgk-7WuBAv+fczCkVZkbZjKZZw <at> public.gmane.org>
Subject: Re: "command" builtin leaks environment with special builtin argument.
Newsgroups: gmane.comp.programming.tools.ast.devel
Date: Thursday 18th October 2012 14:36:06 UTC (over 5 years ago)
cc: [email protected] 
Subject: Re: [ast-developers] "command" builtin leaks environment with
special  builtin argument.
--------

> Quoting POSIX on the command utility:
>     82858 If the command_name is the same as the name of one of the
special buil
> t-in utilities, the special
>     82859 properties in the enumerated list at the beginning of Section
2.14 (on
>  page 2356) shall not occur.
> 
> This suggests it should be possible to negate the effects of a special
builtin
> by prefixing the "command" regular builtin. In ksh, "command" suppresses
> function lookup with no impact on the environment or evaluation order.
> 

Thanks, I have fixed this for ksh93v.

David Korn
[email protected]
 
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