Re: [PATCH] var.c: check for valid variable name before printing in "export -p"

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On 02/25/2012 07:31 AM, Herbert Xu wrote:
> On Sat, Feb 25, 2012 at 03:30:04PM +0100, Jilles Tjoelker wrote:
>>
>> Most shells pass the environment variable through, such as bash, zsh,
>> ksh93 and most ash derivatives. However, the original Bourne shell and
>> pdksh/mksh do not.
> 
> Do you know of any genuine uses of such environment variables?

POSIX states that applications must not rely on such pass-through:
http://austingroupbugs.net/view.php?id=168

So while it might indeed be useful to pass through invalid names, such
an application is broken for expecting it to work, and I'm okay with
this patch as-is.

-- 
Eric Blake   eblake@xxxxxxxxxx    +1-919-301-3266
Libvirt virtualization library http://libvirt.org

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