From: James Smith <jmdjmsmith@...>
Date: 2006-11-22T06:36:38+09:00
Subject: Re: Is this possible?

Aredridel wrote:
> On Wed, 2006-11-22 at 06:06 +0900, James Smith wrote:
>> Is there anyway to override the STDIN of a ruby program, do that when a 
>> command such as 'gets' is called somewhere randomly in the program, I am 
>> able to control what action is taken. i.e. i don't want it to block if 
>> there is nothing in the STDIN buffer, i would like to be able to do my 
>> own thing.
>> 
>> NOTE: the programs will be generated randomly, so i can't just call a 
>> different method (one i defined). But i can add to the code..
> 
> You can use IO#reopen on STDIN, or you can undefine the constant and
> then redefine it.
> 
> Aria

Do you think you could expand? (i am fairly new to Ruby) what actually 
happens when, for example, 'gets' is called? Does it just try and read 
from the STDIN variable and then block if this is equal to 'nil' ?


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