Thanks to Peter Brunone for this post. Peter pointed out that you can extend SharePoint stsadm.exe command line tool and that there are lots of free extensions already out there to download, plug and play.
"I just came across this concept and was floored by it (maybe I’m just a pushover). With a strong-named assembly and an XML file for description, you can add your own operations to the STSADM utility.
Gary Lapointe has a few too many (you can download his 100-command extension from the blog):
That’s all. "