2 ) { echo "\nUsage: ezp32ezp4 []\n"; die(); } $ezp3 = file_get_contents( $argv[1] ); $docEzp3 = new ezcDocumentXML( 'ezp3', $ezp3 ); $converter = new ezcDocumentEzp3ToEzp4( array( 'inline_custom_tags' => array( 'sub', 'sup', 'strike' ) ) ); $docEzp4 = $converter->convert( $docEzp3 ); $result = $docEzp4->getXML(); if ( isset( $argv[2] ) ) file_put_contents( $argv[2], $result ); else echo "Docbook:\n" . $result; ?>