#!/usr/bin/fish
#
# Usage:
#   backlight get
#   backlight set [value]
#   backlight max
#   backlight [up|down] [delta]
#
# Returns:
#	Set - nothing
#	Get, max - Number between 0 and 100 (eg: 0, 25.445283, 100)
#

function backlight
	switch $argv[1]
		case "get"
			xbacklight -get
		case "max"
			echo 100
		case "set"
			xbacklight -set $argv[2]
		case "up"
			xbacklight -inc $argv[2]
		case "down"
			xbacklight -dec $argv[2]
		case "*"
			echo "Unknown function \"$argv[1]\""
			echo ""
			echo "Usage:"
			echo "  backlight get"
			echo "  backlight set [value]"
			echo "  backlight max"
			return 0
	end
	return 1
end

backlight $argv