From: Michael Fellinger <m.fellinger@...>
Date: 2007-02-21T10:13:09+09:00
Subject: Re: Tab and arrow-keys in gets

On 2/21/07, Magnus Holm <judofyr@gmail.com> wrote:
> Hi!
>
> I'm making a simple Ruby shell. It's all basing on an endless
> while-loop and $stdin.gets. But here (on my Linux box) I cannot use
> the arrow key. It just shows: "^[[A". And it would be great too have a
> tab-feature.
>
> But how do you implement these features?

require 'readline'

while line = Readline.readline('foo> ', true)
  puts "You gave me: #{line}"
end

Have fun :)

Some (very) basic docs are at:
http://svn.ruby-lang.org/cgi-bin/viewvc.cgi/trunk/ext/readline/README?view=markup