ara howard wrote:
> 
> NAME
> 
>   macaddr
> 
> DESCRIPTION
> 
>   cross platform mac address determination for ruby
> 
> URI
> 
>   http://codeforpeople.com/lib/ruby
>   http://rubyforg.org/projects/codeforpeople
> 
> INSTALL
> 
>   gem install macaddr
> 
> HISTORY
> 
>   1.0.0:
> 
>     - rdoc added
> 
>     - eric hodel kicks ass.  to find why, see
> 
>       http://drawohara.com/post/44678286/eric-hodel-kicks-ass
> 
> SYNOPSIS
> 
>   require 'macaddr'
> 
>   Mac.addr      #=> first mac addr on your system
>   Mac.addr.list #=> all mac addrs on your system

This Python library may be of interest:

http://mail.python.org/pipermail/python-win32/2005-September/003746.html

Covers pretty much every which way to get the info without shelling out.

Regards,

Dan