thezilch

I can't speak for this lib, but I've had a lot of success with csvkit [0], json2csv [1] and json directly with jq [2].

[0] https://github.com/onyxfish/csvkit

[1] https://github.com/jehiah/json2csv

[2] https://github.com/stedolan/jq

susi22
This is a great list, but IMO lacks the most powerful (but unfortunately unpopular) one:

https://github.com/dbro/csvquote

Apply it first, then do the normal processing with GNU coreutils and you'll cover most use cases.