One thing I really don’t like is libraries that lacks documentation. Which, incidentally, is exactly what ruby’s readline module does.
Happily, however, I found this post which explains at least the basic usage – thank you, Adam!
February 25th, 2008 § 2
Use the source, Luke ;)
Det är vad jag brukar behöva göra…
This article goes a little more in depth:
http://bogojoker.com/readline/