General options:
-?
--help
Display short help.
-m
--man
Display full manual.
-V
--version
Print version.
-q
--quiet
Quiet mode. Do not display any messages exept error messages and
total result.
-v
--verbose
Verbose mode. Display all the progress messages.
-q
--quiet
A verbosity level. One of "warning", "notice", "info". By default
"notice".
--quiet is duplicated