#!/bin/bash

function getPowerValue() {
	POWER=$(cat /sys/class/power_supply/BAT0/capacity)%
	echo $POWER
}

function getPowerStatus() {
	POWERSTATUS=$(cat /sys/class/power_supply/BAT0/status)
	if [ "$POWERSTATUS" == "Charging" ]; then
		echo "+"
	else
		echo "-"
	fi
}

function getDate() {
	echo $(date +'%Y-%m-%d %H:%M')
}

function getVolume() {
	echo $(amixer get Master | grep 'Left:' | awk -F"[][]" '{ print $2 }')
}

while [ True ]; do
	echo "$(getVolume) | $(getPowerValue)$(getPowerStatus) | $(getDate)"
	sleep 30
done