code: function(params, callback) {
        var t = this;
        if (params === '.break' && t.shellCmd) {
          t.shellCmd.kill();
        }
        if (NEW_REPL) {
          t.stream.emit('data', params + "\n");
        } else {
          t.stream.emit('data', params);
        }
        return callback(null);
      }
docs: Handle user input from the console line
  
  @method input
  @param {Object} params Named parameters
  @param {Function(error, returnParams)} callback Callback function