#!/bin/sh
bat_path=$(find /sys/class/power_supply -iname "*bat*" | tail -n -1)
if [ "x-v" == x$1 ]; then
  cat $bat_path/uevent
else
  STATUS=$(cat $bat_path/status)
  [ "$STATUS" = "Charging" ] && DIR="+" || DIR="-"
  echo -n "$DIR"
  cat $bat_path/capacity
fi
