Ben Sully

> I think this is best handled by the rust parquet reader with minor adjustments to datafusion's execution plan after that. Makes sense to me! > @nevi-me has plans to...

Great, thanks for the replies! I'll take a stab at this soon, haven't had much free time since creating the issue.

BTW I'm not super happy with the user interface here - would happily receive tips on how to implement regex matching as a flag.

@mintyplanet Yes, I think I prefer that syntax too. I've pushed a new commit switching to that instead.

Thanks for the review!

Let me know if you'd like this rebasing :+1:

@mintyplanet @BurntSushi is this mergeable, in your eyes? If not, what changes would you like to see first? Thanks!

@plainas This may or may not help but a while ago I wrote a separate tool for doing this: https://github.com/sd2k/ttv You can compose it with `xsv` if desired, e.g. if...

Ah, I misread the initial description. You're right, that tool is completely naive when it comes to nested newlines. It could potentially be 'upgraded' if there's a need for it!

@mintyplanet Thanks! That works nicely until I try to select tens of thousands of columns, when I end up getting an `argument list too long` error from my shell: ```...