vi

vi intro

What is vi? vi is an unfriendly modal text editor.

Why will I use it?

Because it is present on every operating system.

vi tips

Replace a string in a file.

Make your script (eg myfile.script):

:1,$s/bar\.coin/foo\.coin/g
:wq

Use it

ex - myfile.test < myfile.script

vim only

Encode selection with ROT13

g?