TEMP=$(cat /sys/devices/platform/coretemp.0/hwmon/hwmon0/temp3_input)
if [ $TEMP -ge 1 ]
then

  if [ $TEMP -le 6000 ]
  then
    echo "is less than or equal to 6000"
  elif [ $TEMP -ge 4500 ]
  then
    echo "greater or equal to 4500"
  else
    echo "Something went wrong?"
  fi

fi