cfg/waybar/cpu-frq.sh

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#!/usr/bin/env sh
# Copyright 2021 Inference
# 1.0.0.1
c=0;t=0
awk '/MHz/ {print $4}' < /proc/cpuinfo | (while read -r i
do
t=$( echo "$t + $i" | bc )
c=$((c+1))
done
echo "scale=2; $t / $c / 1000" | bc | awk '{print $1" GHz "}')