textproc/choose: add port: Human-friendly and fast alternative to cut and (sometimes) awk
This is choose, a human-friendly and fast alternative to cut and
(sometimes) awk.
Features
- terse field selection syntax similar to Python's list slices
- negative indexing from end of line
- optional start/end index
- zero-indexed
- reverse ranges
- aslightly faster than cut for sufficiently long inputs, much faster than awk
- regular expression field separators using Rust's regex syntax