From: Michal Suchanek Date: 2011-09-15T03:43:03+09:00 Subject: Re: Get interpreter path On 14 September 2011 20:08, Florian Gilcher wrote: > > On Sep 14, 2011, at 7:43 PM, Roger Pack wrote: > >>> get current interpreter path >> >> Gem.ruby # if you have rubygems loaded >> or >> >> OS.ruby_bin >> => "C:/installs/Ruby187/bin/ruby.exe" >> >> with the OS gem. >> -r > > To add to that: rake adds the constant RUBY, which also holds the path of the interpreter running the Rakefile. And neither works: cp `which ruby` ~/bin/testruby testruby -rubygems -e "require 'rake' ; p RUBY" "/usr/bin/ruby1.8" testruby -rubygems -e "require 'os' ; p OS.ruby_bin" "/usr/bin/ruby1.8" Thanks Michal