import java.io.File;
import java.io.FileNotFoundException;
import java.io.PrintWriter;
import java.util.Scanner;

/**
   This program reads a file whose lines contain items and prices,
   like this:
   item name 1: price 1
   item name 2: price 2
   ...
   Each item name is terminated with a colon.
   The program writes a file in which the items are left-aligned
   and the prices are right-aligned. The last line has the total
   of the prices.
*/
public class Items
{
   public static void main(String[] args) throws FileNotFoundException
   {
      // Prompt for the input and output file names

      Scanner console = new Scanner(System.in);
      System.out.print("Input file: ");
      String inputFileName = console.next();
      System.out.print("Output file: ");
      String outputFileName = console.next();

      // Construct the Scanner and PrintWriter objects for reading and writing

      File inputFile = new File(inputFileName);
      Scanner in = new Scanner(inputFile);
      PrintWriter out = new PrintWriter(outputFileName);

      // Read the input and write the output

      double total = 0;
      
      // We read a line at a time since there may be spaces in the item names
      while (in.hasNextLine()) 
      {
         String line = in.nextLine();
         boolean found = false;
         String item = "";
         double price = 0;
         for (int i = 0; !found && i < line.length(); i++)
         {
            char ch = line.charAt(i);
            if (ch == ':')
            {
               found = true;
               item = line.substring(0, i + 1);
               price = Double.parseDouble(line.substring(i + 1).trim());
               total = total + price;
            }
         }
         // If no colon was found, we skip the line
         if (found)
         {
            out.printf("%-20s%10.2f\n", item, price);
         }
	  
      }

      out.printf("%-20s%10.2f\n", "Total:", total);

      in.close();
      out.close();
   }
}

