#!/bin/sh
# xbacklight.sh - by Andrea Cimitan
# "enable/disable screen backlight"

if ! which xbacklight >/dev/null 2>&1; then
    echo "You need to install xbacklight"
    exit 1
fi

backlight_level=`xbacklight -get`
if [ $backlight_level == "0.000000" ]; then
    if [ ! -f /tmp/xbacklight.log ]; then
        xbacklight -set 50
    else
        xbacklight -set `cat /tmp/xbacklight.log`
    fi
else
    echo $backlight_level > /tmp/xbacklight.log
    xbacklight -set 0
fi
exit 0