Valid options include:

--file, -f <FILE>

to specify an input capture file instead of a device

--device, -d <DEVICE>

to specify an input device (i.e. eth0)

--config, -c <FILE>

use FILE as the config file

--output, -o <DIRECTORY>

dump files to DIRECTORY instead of current directory

--version, -v

display the version number of this program

--help, -h

display this lovely screen