Batman.sh

#!/bin/bash
#$1 is low percent
#$2 is min percent
# Original script: github.com/mrcpj1998
# MIT License
# Batpercent script sourced from private github.com/chregon2001
lockFile="/tmp/batman.lck"
export BATMAN=true
hasWarned=1
if [ -f $lockFile ];
then
	exit 1
fi
touch $lockFile
while $BATMAN
do
	echo $BATMAN
	bat="$(batpercent)"
	if (( $bat < $1 )) && (( $bat > $2 )); then
		if (($hasWarned)); then  
			i3-nagbar -m "Battery is getting low" -b "hibernate" "systemctl hibernate" -b "sleep" "systemctl hybrid-sleep" &
			echo "Battery is getting low"
			notify-send "Battery warning" "Battery is getting low, save your work or connect a charger" -i battery-caution 
			hasWarned=0
		fi
	elif (($bat < $2)); then
		ac_adapter=$(acpi -a | cut -d' ' -f3 | cut -d- -f1)

		if [ "$ac_adapter" = "on" ]; then
		    notify-send "AC Adapter" "The battery is low but ac-adapter has been connected"
		else
		    systemctl hibernate
		fi
	
	else
		hasWarned=1
	fi
#	echo $bat
	sleep 60
done
rm $lockfile