https://github.com/ezrosent/frawk also supports csv
And handling it with awk: https://stackoverflow.com/questions/45420535/whats-the-most-...
JIT-compiled Awk in Rust
I use Frawk (https://github.com/ezrosent/frawk) a decent amount too! I downloaded it to do some parallel CSV processing and i've just kind of kept it ever since.