Well, the problem is there are some minor differences that I have to take into account. For example, the mainframe exports null information as ??? in my CSV file, so I either need to replace that with spaces first, or code for that issue. My other problem is that I'm on Windows, and I don't have a diff utility at my disposal at the moment. Good thought, though. Might come in handy for some of the other validations I have to do to other things down the line.