Download a website and parse the html code and put the result into a table. This table can be saved as CSV file (can be opened in Excel for example). You can create a pascal script which can download websites, parses the table entries.
iSkysoft DVD Creator for Mac
Discount: 30
Original price: 49 USD
After discount: 19 USD
Copoun code: 0
Xilisoft iPhone Magic
Discount: 30
Original price: 36 USD
After discount: 6 USD
Copoun code: 0
Aimersoft DVD Creator for Windows
Discount: 30
Original price: 40 USD
After discount: 10 USD
Copoun code: 0