#!/usr/bin/env bash

cpu() {
        bc<<<"scale=3;$(ps aux | awk 'BEGIN {sum=0} {sum+=$3}; END {print sum}') / $(nproc --all)"
}

ram() {
        free -h | sed '2!d' | (read _ _ used _; echo $used)
}

bat() {
        acpi -b | sed 's/Battery /BAT/'
}

echo "$(cpu)% $(ram)  $(bat)"