rpi-temp

#!/bin/bash
#
# rpi-temp -- Display the ARM CPU and GPU temperature of Raspberry Pi 3
#
# Copyright (C) 2017 Gabriel Szasz <gabriel.szasz1@gmail.com>
#
# This program is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free Software
# Foundation, either version 3 of the License, or (at your option) any later
# version.
#
# This program is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
# FOR A PARTICULAR PURPOSE.  See the GNU General Public License for more
# details.
#
# You should have received a copy of the GNU General Public License along with
# this program.  If not, see <http://www.gnu.org/licenses/>.
#
# The script is based on 'my-pi-temp.sh' by Vivek Gite
#   <https://www.cyberciti.biz/> available from <https://www.cyberciti.biz/faq/
#   linux-find-out-raspberry-pi-gpu-and-arm-cpu-temperature-command/>
#

# Get CPU temperature
cpu_temp=$(</sys/class/thermal/thermal_zone0/temp)

# Print report
echo "$(date) @ $(hostname)"
echo "-------------------------------------------"
echo "GPU => $(/opt/vc/bin/vcgencmd measure_temp | cut -d '=' -f 2)"
echo "CPU => $((cpu_temp/1000))'C"