if ( $opt_e ) {
      # Preprocess STDIN and strip email header

      $start_of_body=0;
      while ( !($start_of_body) ){
         $line=<STDIN>;
         if($line eq "\n") { $start_of_body=1; }
      }
      $twig->parse( \*STDIN);
   }
   else {
      print "Reading from STDIN, press CTRL+D when finished.\n";
      $twig->parse( \*STDIN);
   }
}