extract items from OPML - recurse into "folders" but do not list the folders themselves. First, list the flat items by filtering on item.type, then, add the child items by using "sub-element" Added optional filter on "folder name" for a more selective list of items.
Pipe Web Address: http://pipes.yahoo.com/pipes/pipe.info?_id=b64961ac9477770d8d0e03285de8c12d