247040 Grabbing

I need grabbing script. i want to extract links from assigned categories from [login to view URL] and store it to my existing mysql database. I need to be able to assign ([login to view URL] to enter URL of cats or subcats, for example) from which category/subcategory to grab links. if i assign category, it should grab all links under it is subcategory as well. i need the following data: category name subcategory name link name web site url description text