create a script to crawl a oscommerce webstore

I am looking for a coder who can create a script to crawl a oscommerce webstore and list out the following details in a csv file or database table: Product Name, Product Description, Product Price, Image URL , etc The script should also work if the product view requires login. Then the login and password can be entered in the script and the crawling should work. I want to be able to have all info gathered from my suppliers site and have it all transfered to my site in a fast(auto matic fashion). Thanks for reviewing my post. Hope to hear from you soon. Thanks . If this project is successful, we also have further projects which we would like to allot.