Sync separate folders' files.
Additionally, Folder Compare is completely scriptable, meaning that all the operations employed by the application can be tailored to your preferences. By working with the MacOS Finder, this software is entirely customizable using AppleScript.
What's more, Folder Compare utilizes the most advanced technology available for Mac OS 9. Even better, a Carbon version of the software is in the works, which will be compatible with MacOS X. So, if you're searching for software that gives you complete control over folder comparisons, Folder Compare is perfect for you.