# File lib/cgikit/project/command.rb, line 66
      def default_ruby_path
        ruby = File.join(Config::CONFIG['bindir'], Config::CONFIG['ruby_install_name'])
        if FileTest::file?(ruby) and FileTest::executable?(ruby)
          return ruby
        end
        
        begin
          %x(which ruby).chomp
        rescue Exception => e
          # for windows
          paths = ENV['PATH'].split(':')
          exts = ['', '.com', '.exe', '.bat', '.cmd', '.vbs', '.js', '.wsf']
          paths.each do |path|
            exts.each do |ext|
              command = File.join(path, "ruby#{ext}")
              if FileTest.exist?(command) then
                return command
              end
            end
          end
          raise "Can't find ruby"
        end
      end