Pi CPU & GPU Temperatur loggen

#!/bin/bash
#Variabeln definieren
url="http://ZÄHLERURL.de/middleware.php/data/"
cpuuuid="ABC-123"
gpuuuid="ABC-123"


#CPU Temp ermitteln und umrechnen
cpuTemp0=$(cat /sys/class/thermal/thermal_zone0/temp)
cpuTemp1=$(($cpuTemp0/1000))
cpuTemp2=$(($cpuTemp0/100))
cpuTempM=$(($cpuTemp2 % $cpuTemp1))
cpuTemp="$cpuTemp1"."$cpuTempM"

#GPU Temp ermitteln und String kürzen
gpuTemp0=$(/opt/vc/bin/vcgencmd measure_temp)
gpuTemp=${gpuTemp0:5:4}

#Senden der Temperaturen
curl --silent "${url}${cpuuuid}.json?operation=add&value=${cpuTemp}"
curl --silent "${url}${gpuuuid}.json?operation=add&value=${gpuTemp}"

#Ausgabe der beiden Temperaturen
#echo ${cpuTemp}
#echo ${gpuTemp}