458994 Simple Script

i need a simple script developing to give me what the last page count is on google for any search term . i e if i enter into [login to view URL] "home insurance" then it will tell me that there are 817 site competing for this search term . so i want the script making so i dont have to keep on pressing the buttons at the bottom to find the end of the search so that is price a, for price b please price for integrating this into google keyword search using Google api