liferea --version (return code: 0)
Liferea 1.12-rc3
liferea --help (return code: 0)
Usage:
liferea [OPTION?]
Help Options:
-h, --help Show help options
--help-all Show all help options
--help-gapplication Show GApplication options
--help-gtk Show GTK+ Options
--help-debug Print debugging messages for the given topic
Application Options:
-w, --mainwindow-state=STATE Start Liferea with its main window in STATE. STATE may be `shown' or `hidden'
-v, --version Show version information and exit
-a, --add-feed=uri Add a new subscription
--display=DISPLAY X display to use