use PmLoader qw{ ...args... }

##</code><code>##

  BEGIN
  {
       require PmLoader;
       PmLoader->import( qw{ ...args... } );
  }

##</code><code>##

   require BAREWORD;
   require $filename; ## or require 'filename'

##</code><code>##

   require CLASS::NAME;

##</code><code>##

   my $module = "CLASS::NAME";
   eval "require $module";
   if( $@ ) {
      die $@;
   }