Hey, Scripting Guy! How Can I Tell to Which Folders a User Has Been Granted or Denied Access?

Hey, Scripting Guy! I need to find out what folders a user has specifically been granted or denied access to. I do not need the specific rights that were granted. I only need to find out where the user was specifically granted or denied access. The reason for this is I am trying to clean up permissions on some of our shared directories, and I...