-h Print this notice and exit
-f Don't detach and run in the background
-d Enable debug output (implies -f)
-c FILE Specify path to configuration file
-Dsection:name=value Override a key in the configuration file
-T THING Test processing THING (implies -d)
-t TYPE Perform a bulk import of TYPE
-t TYPE Generate output as TYPE
-n Dry-run - don't actually perform any actions
-n Don't mark entries as complete once queued
-S Initialise all modules (performing schema updates) then
exit.
-u THING Perform an update of THING, then exit
-v Be verbose (send log messages to standard error)
-q Be quiet
-A Fetch all entries, rather than only new ones
-l Write entries to standard output instead of queueing