User:J.smith/pseudocode

int 	TotalPages
pointer DiffList[TotalPages, 3]  		// List of [oldID][Date][User] for page in question
int 	PagesLeft = TotalPages-1		// Total pages left in question
int 	PageNumberToCheck = PagesLeft/2		// Pointer to where we are at in the list, initialized to middle
pointer PageToCheck		 		// The page that needs to be checked
bool	IsFound					// TRUE/FALSE return for if LastPageChecked had string
string	SearchString				// String of text we are searching for
bool	CheckPage(page, string)			// Checks page for string and return boolean true if found (uses Qurey.php to grab wikimarkup and does a search/find for the string (to be writen))


	While (PagesLeft > 1){ 				// If PagesLeft is more than 1, then keep searching.

		PageToCheck = DiffList[PageNumberToCheck, 0]
		IsFound = CheckPage(PageToCheck, SearchString)
		PagesLeft = PagesLeft/2

		If (IsFound = TRUE)			//If "checkpage" resulted in a "positive"
			PageNumberToCheck = PageNumberToCheck - (PagesLeft/2)

		Else					//If "checkpage" resulted in a "negative"
			PageNumberToCheck = PageNumberToCheck + (PagesLeft/2)
	}
	PageToCheck = DiffList[PageNumberToCheck, 0]
	IsFound = CheckPage(PageToCheck, SearchString)
	If (IsFound = TRUE)
		Return (PageNumberToCheck)
	Else
		Return (PageNumberToCheck+1)