sure, FAT. OTOH some people think it's not a totally intractable problem

A cross-platform file change monitor with multiple backends: Apple OS X File System Events, BSD kqueue, Solaris/Illumos File Events Notification, Linux inotify, Microsoft Windows and a stat()-based backend.

http://emcrisostomo.github.io/fswatch/

https://github.com/emcrisostomo/fswatch