Script to check the CPU temperature and alert (gnome) if above threshold

check_cpu_temperature.bash

#!/bin/bash

# It's supposed to run on a interval. Example to run each 5 seconds: 
# 
# watch -n 5 ./check_cpu_temperature.bash

cpu_temp=$(sensors | grep "CPU Temperature" | grep -Eo '[0-9]+' | head -n 1)
echo "$cpu_temp" >> ~/.cpu-temperature

if ((cpu_temp > 75)); then
  temps=$(tac ~/.cpu-temperature | head -n 5 | xargs | sed -e 's/ /, /g')
  notify-send "TEMPERATURE:     $cpu_temp     ($temps)"
fi