Armin,

Take a look at ruby/ext/Win32API/lib/win32/registry.rb

I guess this is what you want.

Regards,

   Michael

armin / approximity.com wrote:
> Sorry,  but if you open a new command prompt window, foo is not known.
> 
> Try this:
> set foo="34" in one command prompt
> 
> open a new comand prompt
> type
> set
> foo will not show up.
> 
>