    # File lib/ramaze/bin/helper.rb, line 66
          def rackup_path
            return @rackup_path if @rackup_path

            # Check with 'which' on platforms which support it
            unless is_windows?
              @rackup_path = %x{which rackup}.to_s.chomp

              if @rackup_path.size > 0 and File.file?(@rackup_path)
                return @rackup_path
              end
            end

            # check for rackup in RUBYLIB
            libs = ENV["RUBYLIB"].to_s.split(is_windows? ? ";" : ":")

            if rack_lib = libs.detect { |r| r.match %r<(\\|/)rack\1> }
              require "pathname"
              @rackup_path = Pathname.new(rack_lib).parent.join("bin").join(
                "rackup"
              ).expand_path

              return @rackup_path if File.file?(@rackup_path)
            end

            begin
              require "rubygems"
              require "rack"
              require "pathname"

              @rackup_path = Pathname.new(Gem.bindir).join("rackup").to_s

              return @rackup_path if File.file?(@rackup_path)
            rescue LoadError
              nil
            end

            @rackup_path = nil
            abort "Cannot find the path to the Rackup executable"
          end