C#

public override void OnShutdown()
        {
			string[] row = new string[7];
			double Close;
			string currentLine;
			long dates_in_IQB;
			
   			//This loop to get a complete list of dates and values 
		   	for (int i=0;i<AccountHistoryCount(0);i++){
		   	dates_in_IQB = (long)AccountHistoryDateTime(0, i); 
		  	DateTime newDate = new DateTime(dates_in_IQB);
			OutputWriteLine(String.Format("Date {0}", newDate));
			}
			
			
			//Opening .csv files from Yahoo...
            using (StreamReader sr = new StreamReader("d:/documents/SPY Ref1.csv")){
				
			sr.ReadLine();
            
            // This loop will pull all data from the .csv file, in this case downloaded with
			//the exact same start and end dates.... when running in the program it will
			//be automatically matched so no need to verify start and end date then...
            while((currentLine = sr.ReadLine()) != null)
            {
				row = currentLine.Split(',');

				DateTime Date = DateTime.ParseExact(row[0], "dd.MM.yyyy", null);
				//string Date = (row[0]);
				Close = double.Parse(row[6]);
				
	//			OutputWriteLine(String.Format("Date {0}, Close {1}", Date, Close));
				} 
        	} 
				//Match lists and create new list here:
						
						
		}