From: Csaba Henk <csaba@..._for_avoiding_spam.org>
Date: 2005-03-22T08:14:52+09:00
Subject: Re: reading password from stdin

On 2005-03-21, Chris Mueller <cmueller@bycast.com> wrote:
> You need the modules ruby-termios and ruby-password. Both of these are 
> available from RAA
>
> http://raa.ruby-lang.org/project/ruby-password/
> http://raa.ruby-lang.org/project/ruby-termios/
>
> You may run into problems with buffered/unbuffered inputs if any 
> exceptions happen (ie prntscrn, ctrl+c etc.) but termios is used to mask 
> the user input.

To add, if you don't want to have these external dependencies, there is
a poor man's solution, namely: 

system "stty -echo"
system "stty echo"

Csaba