sway-wm/.config/sway/scripts/battery.sh

#!/bin/bash

detect_battery=$(upower -e | grep "battery_BAT" | head -1)
if [ ! -z "${detect_battery}" ] ; then
  battery=$(upower -i ${detect_battery} | grep -E "percentage" | awk '{print $2}')
  state=$(upower -i ${detect_battery} | grep -E "state" | awk '{print $2}')
  if [ "${state}" == "charging" ] ; then
    echo "󰂄 ${battery} "
  else
    echo "󰁹 ${battery} "
  fi
else
  echo "󱘖  "
fi