# File lib/backports/1.9.1/file.rb, line 26
      def open_with_options_hash(file, mode = nil, perm = Backports::Undefined, options = Backports::Undefined)
        mode, perm = Backports.combine_mode_perm_and_option(mode, perm, options)
        perm ||= 0666 # Avoid error on Rubinius, see issue #52
        if block_given?
          open_without_options_hash(file, mode, perm){|f| yield f}
        else
          open_without_options_hash(file, mode, perm)
        end
      end