From: Wai Tsang <simotsa@...>
Date: 2007-08-26T10:05:07+09:00
Subject: Re: Newbie questions

Bertram Scharpf wrote:
> Hi,
> 
> Am Sonntag, 26. Aug 2007, 07:00:06 +0900 schrieb William James:
>> On Aug 25, 3:05 pm, "Barr, Keith" <keith.b...@lmco.com> wrote:
>> > I have a menu that I would like users to respond to
>> > simply by entering a single character.
>> 
>>   def getkey
>>     select( [$stdin], nil, nil, 0.01 ) ?  c = $stdin.getc : c = nil
>>   end
> 
> Why `c=卒? Why twice?
> 
> It doesn't work here; it still waits for the enter key.
> 
> I doubt whether there is any other way than using termios.
> 
> Bertram

It means if select( [$stdin], nil, nil, 0.01 ) return true,
then c = $stdin.getc; otherwise c = nil.
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