xml import export feed system osc commerce rc2.2a

Brief Summary: I need a php script to do following 1) Read .xml feed file from a location 2) Import it into oscommerce 2.2.a database 3) Update/modify/delete products as per feed file Following is a sample of .xml <model>DW0129</model> - <name> - <![CDATA[ Day & Night Crystal Steel Ladies ]]> </name> - <categories> - <category> - <categoryname> - <![CDATA[ Dolce & Gabbana::Ladies ]]> </categoryname> </category> </categories> <image>http://www.w2u-wholesale.com/products/987_image_D&[login to view URL] </image> <price>87.06</price> <rrp>170.00</rrp> <quantity>119</quantity> - <description> - <![CDATA[ description of DW0129 D&G Watch ]]> </description> <weight>500</weight> </product> feed 2 <PRODUCT ITEM = "4215"> <MODEL>WC213</MODEL> <EAN>5055071609367</EAN> <NAME>Flower Ribbon Hanger</NAME> <DESCRIPTION><![CDATA[<p>Each Flower Ribbon Hanger is made from multiple strips of coloured ribbon which are tied to a large acrylic flower shaped bead which has a cut glass effect finish. Threaded on to the strips of ribbon are smaller assorted shaped acrylic beads butterfly and teardrop shaped again finished with a cut glass effect.</p><p>Each Flower ribbon hanger is priced and sold separately and comes packaged individually in a decorative card box.</p><p>Please note when low in stock some designs may be unavailable.</p>]]></DESCRIPTION> <DIMENSION><![CDATA[Length 80cm, Bead Width 12cm]]></DIMENSION> <PRICE>1.91</PRICE> <DELIVERY>B</DELIVERY> <QUANTITY>114</QUANTITY> <URL>[login to view URL];/URL> <IMAGE_URL>http://www.puckator-dropship.co.uk/gifts/images/WC213_001.jpg</IMAGE_URL> <CATEGORIES>112</CATEGORIES> <OPTIONS><![CDATA[ Dark Pink| Purple|Assorted]]></OPTIONS> </PRODUCT> there maybe other feeds to incorporate. 4) to export my current sites product information including attributes in an xml feed format/ and be able to import this into another oscomerece 2.2a site What you will be providing 1) Script, well commented, clean free of bugs 2) Testing 3) Integration 4) All work will be our copyright 5) Support for 1-4 till it is stablized. Bid ONLY if you have exp with such work. I have similar work to be done ASAP. control of pricing with the ability to add margins etc and control products to be imported into the database. More details available on request.