Am Montag, 14. Juni 2004 16:23 schrieb Hynek Schlawack:
> * Ralf Mler <r_mueller / imp-ag.de> wrote:
> > I'd like to use "FileUtils*", but ruby does not 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
> > Where's my mistake?
>
> You have to "require 'fileutils'" before using its methods.

Thanks Hynek,
of course this fixes the problem. 
I'm not that certain about using inernal and external things yet.

best regards
ralf