[arethuza]

And the command line inotifywait - which I've used from Python to monitor changes to directories. There is even a Windows port:

https://github.com/thekid/inotify-win

[icebraining]

pyinotify is also pretty simple to use: https://github.com/seb-m/pyinotify

[arethuza]

Thanks, I was after something that would work from Python on Linux and Windows and calling out to inotifywait seemed to work well for that - this is for my home grown RESTful Dropbox-lite application which is sitting at 95% complete...