gistfile1.php

<?php

shopp( 'catalog', 'catalog-products', 'load=true' );
if ( shopp( 'catalog', 'has-categories' ) ) :
	while ( shopp( 'catalog', 'categories' ) ) :
		shopp( 'catalog', 'category', 'slug='.shopp( 'category', 'slug', 'return=true' ) );
	endwhile;
else :
	echo "no categories yet.";
endif;