3dldf can be called with the following
command line arguments.
--help
--silent
3dldf is run
--verbose
3dldf is run.
--version
Currently, 3dldf can only handle long options. -
cannot be substituted for --. However, the names of the options
themselves can be abbreviated, as long as the abbreviation is
unambigous. For example, 3dldf --h and 3dldf --verb are
valid, but 3dldf --ver is not.