Comments on: Determine OS with ruby http://bka-bonn.de/wordpress/index.php/2009/06/01/determine-os-with-ruby/ This is C++, we all have our segfaults. Tue, 07 Feb 2012 17:18:11 +0000 http://wordpress.org/?v=2.3.1 By: Anon http://bka-bonn.de/wordpress/index.php/2009/06/01/determine-os-with-ruby/#comment-88 Anon Sat, 25 Jul 2009 02:04:02 +0000 http://bka-bonn.de/wordpress/index.php/2009/06/01/determine-os-with-ruby/#comment-88 Well, sys/uname is written in C and therefore isn't running on JRuby. The following works on Ruby 1.8, 1.9 and JRuby 1.2 and 1.3 at least: require 'rbconfig' puts RbConfig::CONFIG['target_os'] => "linux" On Windows XP it returns "mswin32" Well, sys/uname is written in C and therefore isn’t running on JRuby. The following works on Ruby 1.8, 1.9 and JRuby 1.2 and 1.3 at least:

require ‘rbconfig’
puts RbConfig::CONFIG[’target_os’]
=> “linux”

On Windows XP it returns “mswin32″

]]>