arj

File Read

The `.arj` suffix will be added to `output-file`.

arj a /path/to/output-file /path/to/input-file
arj p /path/to/output-file

File Write

The `.arj` suffix will be added to `x`.

echo DATA >output-file
arj a x output-file
arj e x /path/to/output-dir/