disk usage

#!/bin/bash
# Created By: Metalx1000
# This script uses df and AWK to give you a popup every hour to inform you of how much disk space is used.
# Be sure to change the "drive" to the drive you want to monitor.

drive="sdg1"

while [ 1 ];
do
   clear
   message=`df -h|grep $drive|awk '{print "Drive " $1 " is " $5 " used"}'`
   echo "$message"
   notify-send "$message"
   sleep 1h
done