il Mon, 14 Jun 2004 23:07:34 +0900, Ralf Mler <r_mueller / imp-ag.de>
ha scritto::

>Hi out there,
>
>I'd like to use "FileUtils*", but ruby doe'nt agree: 
>
>irb(main):003:0> FileUtils.mkdir('uno')
>NameError: uninitialized constant FileUtils
>        from (irb):3
>irb(main):004:0> 
>
>But the file ist allreay in the lib: 
>ram@lilith:~/src/tar$locate fileutils.rb
>/usr/local/lib/ruby/1.8/fileutils.rb

the 1.8 dir is there for you to require files. The builtin stuff like
Dir does not have extenrals files, so:
require 'filutils.rb'
FileUtils.mkdir_p domething