#!/bin/sh

ncpu_file="/tmp/ncpu"
if [ -f $ncpu_file ]; then
	ncpu=$(cat $ncpu_file)
else
	ncpu=$(sysctl -n hw.ncpu | tee $ncpu_file)
fi

printf " "
# for i in $(top -P -d 1 | sed -n 3,${topline}p | rev | cut -d' ' -f2 | rev | cut -d'.' -f1 | awk '{print (100 - $1)}'); do
for i in $(top -P -d 2 -s 0.2 | grep '^CPU' | tail -n$ncpu | sed '{s/% idle$//;s/.*[[:blank:]]//;s/\..*//;s/^/100 - /;}' | bc); do
	case $(echo $i / 12.5 | bc) in
		"0") printf "▁";;
		"1") printf "▂";;
		"2") printf "▃";;
		"3") printf "▄";;
		"4") printf "▅";;
		"5") printf "▆";;
		"6") printf "▇";;
		"7") printf "█";;
		"8") printf "█";;
	esac;
done