-h, --help print this help text and exit
--version print program version and exit
- -U, --update update this program to latest version
+ -U, --update update this program to latest version. Make sure
+ that you have sufficient permissions (run with
+ sudo if needed)
-i, --ignore-errors continue on download errors
--dump-user-agent display the current browser identification
--user-agent UA specify a custom user agent