tar wtf: what the fuck is inside of there? [w is a no-op here AFAICT; it means "confirm every action" but there are no actions being taken]
tar pfx: please fucking extract this
And the other moral of this story is 7zip can do absolutely everything 😹 (btw, the actual .7z algorithm is no slouch either -- at $dayjob I consistently get 80% compression on our proprietary binary format, better than anything else I've tried)
