zerigo dyndns client in shell script

This is a simple dns update client for zerigo. It uses icanhazip.com for checking the external address and saves it to a textfile. The textfile is checked and updates are only done if the IP has actually changed.

Files

• zerigo_dyndns.sh is the actual script to execute
• launch.plist is a launchd plist file to run the shell script once per hour