#!/bin/bash

for battery in /sys/class/power_supply/BAT?*; do
	# If non-first battery, print a space separator.
	[ -n "${capacity+x}" ] && printf " "
	# Sets up the status and capacity
	case "$(cat "$battery/status")" in
		"Full") status="\uf102" ;;
		"Discharging") status="\uf078" ;;
		"Charging") status="\uf077" ;;
		"Not charging") status="\uf444" ;;
		"Unknown") status="\uf128" ;;
	esac
	capacity=$(cat "$battery/capacity")
	# Will make a warn variable if discharging and low
	[ "$capacity" -le 20 ] && printf "^c#ffffff^^b#770000^${status} ${capacity}%%^d^" || printf "${status} ${capacity}%%"
done && exit 0