I need to uniquely identify the file/folder, even if the contents change, so SHA/MD5/etc. hashes won't work.

Maybe fsevents could help? I've never used them, but seem to recall that they provide unique ids. Sean _______________________________________________ Do not post admin requests to the list. They will be ignored. Darwin-dev mailing list (Darwin-dev@lists.apple.com) Help/Unsubscribe/Update your Subscription: https://lists.apple.com/mailman/options/darwin-dev/site_archiver%40lists.app... This email sent to site_archiver@lists.apple.com