Warning High CPU Temperature from Raspberry Pi to LINE Notify

temp_line_notify.sh

#!/bin/sh
# degined for Raspberry Pi 3
# before running, you have to install bc by `sudo apt-get install bc`

temp=`vcgencmd measure_temp | sed -e 's/temp\=//' -e "s/'C//"`
if [ "$(echo "$temp > 40.0" | bc)" -eq 1 ]; then
  curl -X POST -H 'Authorization: Bearer [your_access_token]' -F "message=現在${temp}度です" https://notify-api.line.me/api/notify > /dev/null 2>&1
fi