From: Erik Veenstra <pan@...>
Date: 2004-07-04T07:52:44+09:00
Subject: Re: Best way to determine if running on windows or unix-based system

On Sun, 04 Jul 2004 07:23:21 +0900, Carl Youngblood wrote:

> I'm going to try using Ruby/DL to write a full-fledged ruby 
> extension for the curl library. I'd like it to work on both
> Windows and Unix-based systems. I'm sure there are a lot of
> ways of doing this, but what do you guys think is the best
> way to determine whether your script is being called on a
> windows-based system or a unix-based system?

<code language="ruby">

 require "rbconfig"
 
 def linux?
   not windows? and not cygwin?
 end
 
 def windows?
   not (target_os.downcase =~ /32/).nil?
 end
 
 def cygwin?
   not (target_os.downcase =~ /cyg/).nil?
 end
 
 def target_os 
   Config::CONFIG["target_os"] or ""
 end
 
</code>

gegroet,
Erik V.