       if stderr and not error
         callback new Error('Unknown error on stderr'), @processResponse unmarshal stderr
       else
-        callback error, @processResponse unmarshalAll stdout 
+        callback error, @processResponse unmarshalAll stdout
 
   processResponse: (response) ->
     return response if not response


    # logging
    @logger = null
    
  exec: (args, callback) ->
    options = 
      # 'cwd': '',
      'env': process.env,
      'encoding': 'binary',
      'timeout': 0,
      'maxBuffer': @maxBuffer,
      'killSignal': 'SIGTERM'


    @executable = null

    # p4 exec options
    @maxBuffer = 1024*1024
    @timeout = 0

    # response conversion behaviors
    @responseInfersType = true
