# Why vi Rocks

A collection of commands, command sequences in [vi(1)](https://man.openbsd.org/vi.1)/[ex(1)](https://man.openbsd.org/ex.1) or with 3rd party unitilities.<br />
These all work with at least [nvi](https://en.wikipedia.org/wiki/Nvi) 1.79 and 2.1.3 (unicode).

#### Yank / delete an arbitrary number of lines.

	1) mark the first line: mk
	2) move to last line
	3a) yank: y'k
	3b) delete: d'k
	4) move to new line
	5) paste with P or p

#### Join all lines in a file

	:%j

#### When you need root permissions to write the file

	:w !doas tee %

#### Diff the file on disk with the file in cache

	:w !diff -u % -

#### Make a backup of the file on disk

	:! cp % %.bak

#### Sort lines

	:%!sort

#### Dedup lines

	:%!uniq