Wayne Vucenic wrote:
> Hi Daniel,
>
> Try this:
>
> C:\>irb
> irb(main):001:0> ObjectSpace.each_object(Class) {|c| p c}
> Gem::SourceIndex
> OpenSSL::Digest::SHA1
> OpenSSL::Digest::SHA
> Gem::ConsoleUI
> OpenSSL::Digest::RIPEMD160
> Gem::StreamUI
> ..etc...etc...etc

Note, that all approaches using ObjectSpace list only classes known to the
interpreter at this moment.  There might be more classes whose files
haven't been required / loaded yet.  You won't see them.  Also, additional
classes may be generated dynamically.

Kind regards

    robert