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#!/bin/sh
low=25
high=75
icon_low=
icon_mid=
icon_high=
cpu_count=$(sysctl -n hw.ncpu)
avg_load=$(sysctl vm.loadavg | cut -w -f3)
percent=$(echo "result = $avg_load / $cpu_count * 100; scale=0; result / 1" | bc -l)
mhz=$(sysctl -n dev.cpu.0.freq)
ghz=$(echo "result = $mhz / 1000; scale=1; result / 1" | bc -l)
[ $percent -lt $low ] && printf $icon_low
[ $percent -ge $low ] && [ $percent -lt $high ] && printf $icon_mid
[ $percent -ge $high ] && printf $icon_high
printf " %s%% %s GHz\n" $percent $ghz
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