6. $$$ MONEY $$$

Not only did you have to check the source again, you also had to compile it yourself.
Sorry for making you do so much work. I hope it's at least a bit fun. And of course there is a reward at the end. This time I ask you to look for another .txt file. Except, this one is not actually a .txt file. You'll have to figure out what kind of file it is. Thereafter, you should be able to find a pattern.