class Logger::LogDevice

def set_dev(log)
  if log.respond_to?(:write) and log.respond_to?(:close)
    @dev = log
    if log.respond_to?(:path)
      @filename = log.path
    end
  else
    @dev = open_logfile(log)
    @dev.sync = true
    @dev.binmode if @binmode
    @filename = log
  end
end