Script to display all post links for all blogs on a WordPress multi-site installation. Place in `wp-content/` then browse to http://yourblogdomain.com/wp-content/all-urls-all-sites.php or use as a script. Use `&post_type=article`, `&post_status=publish` and various other options with `query_posts()`

all-urls-all-sites.php

<?php

require_once('../wp-blog-header.php');

$blog_list = get_blog_list( 0, 'all' );

foreach ($blog_list AS $blog) {

        switch_to_blog($blog['blog_id']);

        query_posts('&showposts=-1&order=ASC');

        while (have_posts()) : the_post(); ?>

        <?php the_permalink(); ?>
        <br />
        <?php endwhile; ?>

<?php } ?>