# File lib/rubygems/installer.rb, line 217
    def generate_bin_script(spec, filename, bindir, install_dir)
      File.open(File.join(bindir, File.basename(filename)), "w", 0755) do |file|
        file.print app_script_text(spec, install_dir, filename)
      end
      generate_windows_script bindir, filename
    end