Even a lean and simple High Sierra system has many xattrs of many types, and plenty of files still have ‘resource forks’. Plus details of some important xattrs used by Apple’s system files.
xattred
They’re almost invisible, but surprisingly widely used. xattrs come in very many different types, and contain valuable information. Here are results from analysing most of a Sierra startup volume.
AutoPkg is a framework for macOS which allows system administrators and similar to deploy software to managed clients, […]
There was an extremely annoying minor bug in window resizing. It’s now fixed.
How my apps were correctly signed, but using the wrong certificate. They passed all tests here, but would not come out of quarantine normally on other systems.
All these have now been updated and should pass Gatekeeper checks and run on both Sierra and High Sierra.
Unique xattr browser and editor now compatible with both Sierra and High Sierra.
NSDocument is based on the data stored in the data fork of a file. Could it be modified to work with xattrs instead? And dipping my toes into NSTableView.
This tool now has an overhauled interface, making it much easier to use. Currently the only way of viewing and editing xattrs without using the command line.
Using wrappers to call C functions which give direct access to xattrs, handling throws, and converting arbitrary Data to Strings.
The Eclectic Light Company 