Script to measure CPU and GPU temperature of Raspberry PI Model 2/3/3B+ (https://labbots.com/rpi-measure-cpu-gpu-temperature/)

pi-temp-measure.sh

#!/usr/bin/env bash
# Script: pi-temp-measure.sh
# Display the ARM CPU and GPU temperature of Raspberry Pi 2/3B/3B+ 
# -------------------------------------------------------

echo "-------------------------------------------"
echo "$(date) @ $(hostname)"
echo "-------------------------------------------"
gpu="$(/opt/vc/bin/vcgencmd measure_temp)"
echo "GPU => ${gpu##*=}"

cpu=$(</sys/class/thermal/thermal_zone0/temp)
cpuTemp1=$(($cpu/1000))
cpuTemp2=$(($cpu/100))
cpuTempM=$(($cpuTemp2 % $cpuTemp1))
echo "CPU => ${cpuTemp1}.${cpuTempM}'C"