System 7.5 ships with a "Synchronize Folders" AppleScript droplet located in:
Apple Extras:AppleScript:More Automated Tasks
Here is a description of the Synchronize Folders droplet: This script compares the contents of two folders and synchronizes the contents. Example: If there is a file called "Document 1" in folder A and a file called "Document 2" in folder B the script will copy "Document 1" to folder B and "Document 2" to folder A so that both folders will contain both files. If there are files of the same name in the folders then the file with the later modification date is copied to the other folder.
It's important to note that the "Synchronize Folders" AppleScript droplet only works reliably when synchronizing two folders which do not have any folders within. It should not be used to synchronize folders which have other folders within them.
With the release of System 7.5.3, Synchronize Folders AppleScript automated task handles nested folders properly.
Article Change History:
23 Oct 1996 - Added System 7.5.3 information.
16 Feb 1995 - Reviewed for accuracy and changed keyword.