#!/bin/sh

while read -r _ user _ system idle _; do
	initial_user_sys=$((user + system))
	initial_total=$((user + system + idle))
	break
done </proc/stat

sleep 1

while read -r _ user _ system idle _; do
	current_user_sys=$((user + system))
	current_total=$((user + system + idle))
	break
done </proc/stat

while read -r line; do
	case $line in
	*Package\ id\ 0:*) temp=$line ;;
	esac
done <<EOF
$(sensors)
EOF

temp=${temp#Package id 0:*+}
temp=${temp%%°*}
temp=${temp%.*}

printf '%s°C (%.*f%%)\n' "$temp" 0 $(((current_user_sys - initial_user_sys) * 100 / (current_total - initial_total)))