`detect columns` for strings

Attempt to automatically split text into multiple columns.

Signature

> detect columns {flags}

Flags

--skip, -s {int}: number of rows to skip before detecting
--no-headers, -n: don't detect headers
--combine-columns, -c {range}: columns to be combined; listed as a range
--guess: detect columns by guessing width, it may be useful if default one doesn't work

Input/output types:

input	output
string	table

Examples

use --guess if you find default algorithm not working

>
'Filesystem     1K-blocks      Used Available Use% Mounted on
none             8150224         4   8150220   1% /mnt/c' | detect columns --guess
╭───┬────────────┬───────────┬──────┬───────────┬──────┬────────────╮
│ # │ Filesystem │ 1K-blocks │ Used │ Available │ Use% │ Mounted on │
├───┼────────────┼───────────┼──────┼───────────┼──────┼────────────┤
│ 0 │ none       │ 8150224   │ 4    │ 8150220   │ 1%   │ /mnt/c     │
╰───┴────────────┴───────────┴──────┴───────────┴──────┴────────────╯

detect columns with no headers

> 'a b c' | detect columns  --no-headers
╭───┬─────────┬─────────┬─────────╮
│ # │ column0 │ column1 │ column2 │
├───┼─────────┼─────────┼─────────┤
│ 0 │ a       │ b       │ c       │
╰───┴─────────┴─────────┴─────────╯

> $'c1 c2 c3 c4 c5(char nl)a b c d e' | detect columns --combine-columns 0..1

Splits a multi-line string into columns with headers detected

> $'c1 c2 c3 c4 c5(char nl)a b c d e' | detect columns --combine-columns -2..-1