Possible to run in non-interactive mode?

[trbjo]

I would like to be able to bind hotkeys to increment or decrement the brightness.

This would allow me to just press XF86MonBrightnessDown or XF86MonBrightnessUp directly on the keyboard instead of having to fire up a terminal and running the program interactively each time.

So a sort of command mode. E.g. /usr/bin/lguf_brightness --increment.

Is this possible?