From: Dan Zwell <dzwell@...>
Date: 2007-08-26T05:36:56+09:00
Subject: Re: Newbie questions

Barr, Keith wrote:
> Hi there,
>  
> I am new to using Ruby and I am writing my first real programs and I have something I was wonndering about:
>  
> I have a menu that I would like users to respond to simply by entering a single character.  I have tried both STDIN.getc and gets, but both require a carriage return.  Is there a command I haven't found that will actively read STDIN to process a single character as soon as it is entered?
>  
> Thanks in advance,
> Keith

This is a common question. You need a library (gem) that provides this 
function. I have heard that highline, ncurses, and termios have this. In 
ncurses, it's called "getch", but I don't know about the others.

Dan