tiny little bash script that runs on a cron job to pull the temperature from a SI7021 sensor on my C.H.I.P

send_temp.sh

#!/bin/bash

OUTPUT=`/usr/local/bin/si | grep -Po '(?<=Fahrenheit : ).+?(?=F)'`
CMD="mosquitto_pub -h temp.adamrunner.com -t outTopic -m ESP_E2106F,${OUTPUT}"
`$CMD`