import java.util.Scanner;
import java.io.*;
//=================================================================================================
public class FilePrintf {
//-------------------------------------------------------------------------------------------------
    public static void main(String[] args) {

        PrintWriter toPrintWriter = null;

        if (args.length != 1) {
            System.out.println("Must provide a file name");
            return;
        }

        try {
            toPrintWriter = new PrintWriter(new FileOutputStream(args[0]));
            toPrintWriter.printf("The value is %8.2f\n",Math.PI);
        } catch (IOException e) {
            System.out.println(e.getMessage());
        } finally {
            if (toPrintWriter != null) {
                toPrintWriter.close();
            }
        }
    }
//-------------------------------------------------------------------------------------------------
}
//=================================================================================================