dotfiles/localbin/.local/bin/dwmscript/dwmcpu

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#!/bin/bash
read cpu a b c previdle rest < /proc/stat
prevtotal=$((a+b+c+previdle))
sleep 0.5
read cpu a b c idle rest < /proc/stat
total=$((a+b+c+idle))
cpu=$((100*( (total-prevtotal) - (idle-previdle) ) / (total-prevtotal) ))
icon=""
printf " %s %s \\n" "$icon" "$cpu%"