themes/waybar/modules/cpu_speed.sh

#!/usr/bin/env bash

cur_freq="/sys/devices/system/cpu/cpu0/cpufreq/scaling_cur_freq"

class=cpu_speed
speed_mhz=$(cat "$cur_freq")

# speed_ghz=`echo $(($speed_mhz / 1000))`

speed_ghz=$(bc -l <<<"$speed_mhz / 1000000")

info=$(echo "$speed_ghz" | xargs printf "%.*f\n" 2)

echo "{\"text\":\"$info GHz\", \"class\":\"$class\"}"