#!/bin/sh
for battery in /sys/class/power_supply/BAT?
do
	# Get its remaining capacity and charge status.
	capacity=$(cat "$battery"/capacity) || break
	status=$(sed "s/[Dd]ischarging/discharging/;s/[Nn]ot charging/not_charging/;s/[Cc]harging/charging/;s/[Uu]nknown/unknown/;s/[Ff]ull/full/" "$battery"/status)

    if [ "$status" = "charging"]; then
        if [ "$capacity" -le 20 ]; then
            icon=""
        elif [ "$capacity" -le 40 ]; then
            icon=""
        elif [ "$capacity" -le 60 ]; then
            icon=""
        elif [ "$capacity" -le 80 ]; then
            icon=""
        elif [ "$capacity" -lt 95 ]; then
            icon=""
        elif [ "$capacity" -le 100 ]; then
            icon=""
        fi
    elif [ "$status" = "discharging" ]; then
        if [ "$capacity" -le 20 ]; then
            icon=""
        elif [ "$capacity" -le 40 ]; then
            icon=""
        elif [ "$capacity" -le 60 ]; then
            icon=""
        elif [ "$capacity" -le 80 ]; then
            icon=""
        elif [ "$capacity" -lt 95 ]; then
            icon=""
        elif [ "$capacity" -le 100 ]; then
            icon=""
        fi
    elif [ "$status" = "full" ]; then
        icon=""
    fi

	printf "%s %s%% " "$icon" "$capacity"
done | sed 's/ *$//'