From: Stefan Lang <langstefan@...>
Date: 2005-08-10T01:20:58+09:00
Subject: Re: Get path of currently-executing Ruby interpreter

On Tuesday 09 August 2005 17:28, Bill Atkins wrote:
> Is there a built-in variable that will return the name of the
> current Ruby process?  I need to start up a separate Ruby process
> from within an application, but I can't be sure that ruby will be
> in PATH.  This has to work on Win32 as well, so shelling out to
> "whereis" wouldn't work.

require 'rbconfig'
ruby = File.join(Config::CONFIG["bindir"],
           Config::CONFIG["RUBY_INSTALL_NAME"])

-- 
Stefan