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Tiger includes support for the “xattr” family of low-level C functions in the BSD layer: getxattr(), setxattr(), removexattr(), listxattr()

Small application with sample code (including a cocoa wrapper for the C) now available from:

Some more info at:

And workaround for kernel panics when using it on AFP mounted volumes:

What’s the benefit of xattr? is it faster than using nsfilemanager?

There seems to be a new NSFileManager attribute key, NSFileExtendedAttributes, that allows you to get some of the extended file attributes - though it seems to omit the FinderInfo and ResourceFork values.