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battery_level=`acpi -b | cut -d ' ' -f 4 | grep -o '[0-9]*'`
battery_state=$(acpi | grep 'Battery' | sed 's/Battery\s[0-9]*: //' | sed 's/, [0-9][0-9]*\%.*//')
battery_remaining=$(acpi | grep -oh '[0-9:]* remaining' | sed 's/:\w\w remaining$/ Minutes/' | sed 's/00://' | sed 's/:/h /')
if [ ! -f "/tmp/.battery" ]; then
echo "$battery_level" > /tmp/.battery
echo "$battery_state" >> /tmp/.battery
exit
fi
previous_battery_level=$(cat /tmp/.battery | head -n 1)
previous_battery_state=$(cat /tmp/.battery | tail -n 1)
echo "$battery_level" > /tmp/.battery
echo "$battery_state" >> /tmp/.battery
checkBatteryLevel() {
if [ $battery_state != "Discharging" ] || [ "${battery_level}" == "${previous_battery_level}" ]; then
exit
fi
if [ $battery_level -le 3 ]; then
sudo systemctl suspend
elif [ $battery_level -le 5 ]; then
notify-send "Low Battery" "Your computer will suspend soon unless plugged into a power outlet." -u critical
elif [ $battery_level -le 10 ]; then
notify-send "Low Battery" "${battery_level}% (${battery_remaining}) of battery remaining." -u normal
fi
}
checkBatteryStateChange() {
if [ "$battery_state" != "Discharging" ] && [ "$previous_battery_state" == "Discharging" ]; then
notify-send "Charging" "Battery is now plugged in." -u low
fi
if [ "$battery_state" == "Discharging" ] && [ "$previous_battery_state" != "Discharging" ]; then
notify-send "Power Unplugged" "Your computer has been disconnected from power." -u low
fi
}
checkBatteryStateChange
checkBatteryLevel
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