Here’s an AppleScript I use to run a Time Machine backup, and then shut down the machine. As is the case with most shut down scripts, I suppose it would be a good idea to quit whatever programs you know of that are open before running the script.
SIMILAR POSTS:

• An AppleScript trick turns any NAS device into a Time Machine drive
• View Doppler radar-in-motion on the desktop
• 10.5: Avoid syslogd CPU usage when using AppleScript
• Two ways to possibly close an ARDAgent security hole
• Fetch New Mail.app Messages from Your Phone