From: Gaspard Bucher <gaspard@...>
Date: 2007-09-17T18:32:32+09:00
Subject: Re: Representing arrow keys in a string

try irb:
> STDIN.getc
... type arrow ...
... type return ...
=> 27 .. ESC
> STDIN.getc
=> 91 .. [
> STDIN.getc
=> 67 .. C
> STDIN.getc
=> 10 .. (return)

My guess is : "\033[C" (\033 = octal for 27)

Gaspard