~/.bin/warn-if-low.sh: Report battery level.

.bin/warn-if-low.sh

online=`cat $charge_path/AC/online`
echo "Battery is charged $charge_rate%"
if [ "$online" = "0" -a $charge_rate -lt 5 ]; then
	DISPLAY=:0 zenity --error --text "Whoopey: You're low on energy (only $charge_rate% left)!"
fi