current=`cat /sys/class/backlight/intel_backlight/brightness`
max=`cat /sys/class/backlight/intel_backlight/max_brightness`
+if [ \( "x$1" = "x-s" -o "x$1" = "x--short" \) -a -z "$2" ]; then
+ echo "$current"
+ exit 0
+fi
+
if [ -z "$1" -o -n "$2" ]; then
echo "Usage: $0 brightness [10000-$max]" >&2
echo "Current: $current"
current=`cat /sys/class/backlight/intel_backlight/brightness`
current_percent=`expr $current \* 100 / $max`
+if [ \( "x$1" = "x-s" -o "x$1" = "x--short" \) -a -z "$2" ]; then
+ echo "$current_percent%"
+ exit 0
+fi
+
if [ -z "$1" -o -n "$2" ]; then
echo "Usage: $0 brightness [10-100]" >&2
echo "Current: $current_percent%"