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Reminds me of https://github.com/johnkerl/miller which is also a go based tool cloning features from tools like awk, sed, cut, join, and sort for name-indexed data such as CSV, TSV, and tabular JSON

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I'm a big fan of miller (mlr) -- it's the tool I landed on when I needed to "graduate" from awk to look at CSV data. But when I read "go based" in your comment, I thought "nope, it's written in C". But no! It was ported to go -- very interesting!

The developer wrote a comprehensive document explaining the rationale behind the porting that answered all my questions and a lot more: https://github.com/johnkerl/miller/blob/main/README-go-port.....

Thought other miller/mlr fans (that don't follow its development) might find this interesting as well.

(The dasel tool looks very cool, too -- looks like a good complement to mlr and similar tools!)

It is nice, but I wonder if it's also a full-fledged query compiler?

Also IMHO modules with user-defined (higher order?) functions are a big plus of a query language.

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