NAME Ruby - Perl interface to Ruby interpreter SYNOPSIS use Ruby ':DEFAULT', -require => 'complex', # load Ruby's library 'digest/md5', # load Ruby's extention -function => 'Rational', # import Ruby's function -class => qw(GC Object), # import Ruby's classes -module => qw(Kernel), # synonym for -class -variable => ['$!' => '$rb_errinfo'], # $! as $rb_errinfo -function => ['String' => 's'], # Strin