# File lib/action_view/helpers/number_helper.rb, line 87
      def number_to_human_size(size)
        case 
          when size < 1.kilobyte: '%d Bytes' % size
          when size < 1.megabyte: '%.1f KB'  % (size / 1.0.kilobyte)
          when size < 1.gigabyte: '%.1f MB'  % (size / 1.0.megabyte)
          when size < 1.terabyte: '%.1f GB'  % (size / 1.0.gigabyte)
          else                    '%.1f TB'  % (size / 1.0.terabyte)
        end.sub('.0', '')
      rescue
        nil
      end