Bitcetera: Mac-friendly Autotest
http://www.bitcetera.com/en/techblog/2009/05/27/mac-friendly-autotest/

I vaguely remember wanting to monitor changes to the filesystem. Here's a Ruby gem that uses Leopard's FSEvent.

Bitcetera: Mac-friendly Autotest autotestZenTest’s autotest is great, but it has one drawback: In order to detect whether you have modified a file, it relies on filesystem polling. In other words it constantly traverses the filesyst... はてなブックマーク - Bitcetera: Mac-friendly Autotest はてなブックマークに追加 dann dann ruby, testing, mac fseventでwatch

autotest-fsevent

“Enter the autotest-fsevent gem. It teaches autotest to use FSEvent instead of filesystem polling…”