File-level filesystem change notification in Mac OS X

Question

I want my code to be notified when any file under (either directly or indirectly) a given directory is modified. By \"modified\", I mean I want my code to be notified whenever

Answer 1

The closest utility (that I know of) that matches your needs on Mac OS X is fslogger. See the link for a description, dmg and source code: OSXBook - fslogger