monitor a folder for file creation, how?

[gene tani]

win32: (I posted this link in response to same question, um, day bef.
yesterday)

http://groups-beta.google.com/group/comp.lang.python/browse_frm/thread/9a1c7629db72d064/56008cb68eeffa23?hl=en#56008cb68eeffa23
(Thanks to Tim Golden for collecting the info)

OS X: I dunno...