From: Paul Lutus <nospam@...>
Date: 2006-09-13T16:20:39+09:00
Subject: Re: getch equivalent of method in ruby ?

Michael W. Ryder wrote:

> Paul Lutus wrote:
>> Googy wrote:
>> 
>>> Hi,
>>>
>>> I need to read some interactive input from keyboard and I am look for
>>> getch (c equivalent) of method in ruby.
>> 
>> Since you mention "getch()", which is non-standard and only available on
>> the Windows platform, I have to say there is no equivalent to it in any
>> portable languages. Another poster recommends manipulating the input
>> stream on Linux or another Unix, and if you have this option, that is an
>> obvious way to go, but it isn't portable between platforms.
>> 
>> The is no platform-portable keystroke-by-keystroke input method.
>>
> 
> Curses is platform-portable, uses getch() to get keystrokes, and works
> with Ruby.

I'll flesh out my reply. There is no platform-portable
keystroke-by-keystroke input method that doesn't require an external
utility to get around this limitation, and that takes a different form on
each platform that you try to implement it on.

-- 
Paul Lutus
http://www.arachnoid.com