code: function SingleLine()
  {
      SingleLine.prototype.print = function(msg)
      {
          var result = check();
          if (result.success)
          {
              process.stdout.clearLine();
              process.stdout.cursorTo(0);
              process.stdout.write(msg);
          }
          else
              MultiLine.prototype.print('missed method: ' + result.required_method + ' ' + msg);
      };
  
      SingleLine.prototype.info = function(msg)
      {
          this.parse_and_print(arguments, GREEN);
      };
  
      SingleLine.prototype.mark = function(msg)
      {
          this.parse_and_print(arguments, LIGHT_GREEN);
      };
  
      SingleLine.prototype.error = function(msg)
      {
          this.parse_and_print(arguments, RED);
      };
  
      SingleLine.prototype.warn = function(msg)
      {
          this.parse_and_print(arguments, YELLOW);
      };
  
      function check()
      {
          var check = ['clearLine', 'cursorTo', 'write'];
          for (var i = 0; i < check.length; i++)
          {
              var method = check[i];
              if (!(method in process.stdout))
                  return {required_method: method};
          }
          return {success: true};
      }
  }
docs: Print every message in single line
  @constructor