A use for XCode that has nothing to do with writing software

I came across an old MacWorld tip while searching for a quick way to compare an iTunes folder on a backup drive with one on my new laptop.  FileMerge turns out to be quite a capable tool for comparing folders as well as files.  It made it a lot easier to figure out what was missing from the laptop and sync it to the backup drive.  It took awhile, since we’re talking about gigabytes of music files, but it worked.