#!/bin/bash

STATUS="/sys/class/power_supply/BAT1/status"
BAT="/sys/class/power_supply/BAT1/capacity"

if [ ! -f "$STATUS" ] || [ ! -f "$BAT" ]; then
  exit
fi

OUTPUT="♥ "

if [ "$(cat $STATUS)" == "charging" ]
  then
    OUTPUT="$OUTPUTl"
fi

echo " | $OUTPUT$(cat $BAT)%"