From: Ronald Fischer <ronald.fischer@...>
Date: 2007-07-30T16:19:27+09:00
Subject: Re: Getting Ruby Path at runtime?

> > Is it possible to find out under Windows, which Ruby has 
> been used to
> > run a program?

> require "rbconfig"
> 
> puts File.join(Config::CONFIG["bindir"], Config::CONFIG 
> ["ruby_install_name"])

Great!!!

May I ask where I can find a documentation about rbconfig?
Maybe there is other useful stuff in it. 

I checked http://stdlib-doc.rubyforge.org/rdoc/index.html,
but rbconfig was not mentioned.

Or does the fact that rbconfig is not mentioned in the 
standard library page, mean, that these configuration
variables (bindir, ruby_install_name) are not part of
the official Ruby API? I would like to keep my programs
upward compatible (to future Ruby versions), plus compatible
to JRuby, as much as possible.

Ronald