public function execute() {
		$handler = new PagedTiffHandler();

		$path = $this->mArgs[0];
		$file = UnregisteredLocalFile::newFromPath($path, "image/tiff");

		$metadata = $handler->getMetadata( $file, $path );

		if ( !$metadata ) {
		    print "FAILED! \n";
		    return;
		} 

		$metadata = unserialize( $metadata );

		if ( !$metadata ) {
		    print "BROKEN! \n";
		    return;
		} 

		print_r($metadata);
	}