Autodetect Presence of CSV Headers in a File

Question

Short question: How do I automatically detect whether a CSV file has headers in the first row?

Details: I\'ve written a small CSV parsing engine th

Answer 1

In the most general sense, this is impossible. This is a valid csv file:
Name
Jim
Tom
Bill

Most csv readers will just take hasHeader as an option, and allow you to pass in your own header if you want. Even in the case you think you can detect, that being character headers and numeric data, you can run into a catastrophic failure. What if your column is a list of BMW series?
M
3
5
7

You will process this incorrectly. Worst of all, you will lose the best car!