A complex set of rules with optional flags determines whether any given xattr is preserved when copying, saving, syncing with a cloud service, backing up, and more. Here they are.
xattr
Fixes a crashing bug when using its Crawler feature. Analysis of provenance xattrs confirms they can be useful in providing more information about files.
In a typical ~/Documents folder, 14% of all files have a provenance xattr attached to them, that could enable the app that last modified them to be identified. Could we make use of that?
Information about the data in a file can be found in different places: in the file’s attributes, in extended attributes that tend to be Mac-only, and embedded with the data, as in EXIF.
When the numbers simply don’t add up. How some extended attributes may be included in quoted file sizes, but others are ignored, and Sequoia hasn’t really changed this since Classic Mac OS of 25 years ago.
A full toolset for working with extended attributes, everything you might want to know about files, and a text-only Rich Text editor, all ready for Tahoe.
How a long-deprecated extended attribute can stop files such as images from being found in Spotlight search, and how to fix it.
Adding your own custom icons to files and folders goes back a long way, to Classic Mac OS […]
Finder tags should sync in iCloud Drive, and should be found when you use Spotlight search for their tag labels. Here’s what to check when there are problems.
When do sparse files explode to full size, and how could you preserve them in transit? Can you copy clones or snapshots? How to preserve extended attributes?
The Eclectic Light Company 