CSV again.

[Kay C Lan]

This topic reminds me of time. If you think CSV is a standard that has no
standard, making it difficult to program around, then don't even bother
attempting to work with time. Here's a good summary - make sure you watch
to the very end where he discusses the Google approach to one of the vary
many idiosyncrasies of time you've probably never thought of:

https://www.youtube.com/watch?v=-5wpm-gesOY

Thought you may enjoy whilst nutting out your CSV algo.