With the --help command line argument, the following information is printed:
$ ./fwknop-launcher-lsof.pl --help
Usage: fwknop-launcher-lsof.pl [options]
Options:
-c, --config <file> - Path to fwknop-launcher.conf config file.
-l, --lsof-cmd <path> - Path to lsof command.
-f, --fwknop-cmd <path> - Path to fwknop client command.
-s, --sleep <seconds> - Specify sleep interval (default:
1 seconds)
-n --no-daemon - Run in foreground mode.
-u, --user <username> - Specify username (usually this is not
needed).
--home-dir <dir> - Path to user's home directory (usually
this is not needed).
-v --verbose - Print verbose information to the terminal
(requires --no-daemon).
--help - Print usage info and exit.