auto imports ics files from realestate.com.au into a dedicated google calendar (using gcalcli). set up a cron to find *.ics in Downloads folder and call this script with the full path to the file as an argument.

houseinspections.sh

#!/bin/bash
ADDRESS=`cat $1 | grep SUMMARY | sed -e 's/SUMMARY\://g' | sed -e 's/\ -\ Inspection//g'`
sed -i "/SUMMARY:*/a LOCATION:$ADDRESS" $1
/usr/local/bin/gcalcli --calendar "House Inspections" import $1 && rm $1