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#!/bin/sh
ncpu=$(sysctl -n hw.ncpu)
ncpu=$((ncpu + 1))
topline=$((ncpu * 2 - 1))
printf " "
for i in $(top -P -d 2 -s 0.2 | grep '^CPU' | sed -n ${ncpu},${topline}p | rev | cut -d' ' -f2 | rev | cut -d'.' -f1 | awk '{print (100 - $1)}'); 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
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