powersave_cron

#!/bin/bash

# environment variables

#export DISPLAY =:0.0

# variables

_BAT_STATUS=$(acpitool | grep Battery | gawk '{print $4}' | sed -e 's/,//g')
_BAT_TIME=$(acpitool | grep Battery | gawk '{print $6}' | sed -e 's/://g' | sed -e 's/^0*//')
# test area

#echo "_BAT_STATUS: $_BAT_STATUS \n _BAT_TIME: $_BAT_TIME"

while [ "$_BAT_STATUS" == "discharging" ]
do
        if [[ "$_BAT_TIME" -le 1000000 && "$_BAT_TIME" -ge 1000 ]];
        then
                exit
        elif [[ "$_BAT_TIME" -le 1000 && "$_BAT_TIME" -ge 500 ]];
        then
                notify-send "Information" "Low power detected" -i /usr/share/icons/hicolor/32x32/actions/Alert-icon.png
                sleep 40
                if [ `acpitool | grep Battery | gawk '{print $4}' | sed -e 's/,//g'` == "discharging" ];
                then

                        shutdown -h now
                else
                        exit
                fi
        elif [ "$_BAT_TIME" -lt 500 ];
        then
                shutdown -h now
        else
                exit
        fi
exit
done
exit