hook for stdout

gistfile1.coffee

  hook_stdout: (callback) ->
    old_write = process.stdout.write

    process.stdout.write = ((write) ->
      return (string, encoding, fd) ->
        write.apply(process.stdout, arguments)
        winston.log('info', string)
        callback(string, encoding, fd)
    )(process.stdout.write)

    return () => process.stdout.write = old_write

  unhook: ->
    @hook_stdout (string, encoding, fd) ->
      util.debug('d')