bash script temp pi mon to log file

#!/bin/bash
while [ : ]
do
    echo  $(date) $(vcgencmd measure_temp) >>/home/temppimon.log
    sleep 5m
done

ทุก 5 นาที
หรือ

sleep .5 # Waits 0.5 second.
sleep 5  # Waits 5 seconds.
sleep 5s # Waits 5 seconds.
sleep 5m # Waits 5 minutes.
sleep 5h # Waits 5 hours.
sleep 5d # Waits 5 days.