Also, I'm told that the "modern" perl way to do this is AnyEvent: http://search.cpan.org/~mgrimes/AnyEvent-Filesys-Notify-0.05/lib/AnyEvent/Filesys/Notify.pm h

Also, I'm told that the "modern" perl way to do this is AnyEvent: http://search.cpan.org/~mgrimes/AnyEvent-Filesys-Notify-0.05/lib/AnyEvent/Filesys/Notify.pm http://search.cpan.org/~mgrimes/AnyEvent-Filesys-Notify-0.05... Still backed by OS X's FSEvents, so you're not reinventing the wheel.