#!/usr/bin/env bash

cpu() {
    icon=" "

    read -r cpu a b c previdle rest < /proc/stat
    prevtotal=$((a+b+c+previdle))
    sleep 0.5
    read -r cpu a b c idle rest < /proc/stat
    total=$((a+b+c+idle))
    cpu=$((100*( (total-prevtotal) - (idle-previdle) ) / (total-prevtotal) ))
    cpu=" $cpu%"
    printf "%s%s\n" "%{F#1e222a}%{B#75A4CD}$icon %{F-}%{B-}" "%{F#1e222a}%{B#C4C7C5}$cpu %{F-}%{B-}"
}

cpu