Scanner sc = null;
        PrintWriter fileOut = null;

        try {
            //
            // Set up the input file to be read
            //
	    sc = new Scanner(new File(args[0]));
	}
	catch(Exception e0) {
	    System.err.println("Input file "+args[0]+" is not accessible");
	    System.exit(0);
	}
	try {
	    //
	    // Set up the output file
            fileOut = 
		new PrintWriter(new BufferedWriter(new FileWriter(args[1])));
	}
	catch(Exception e1) {
	    System.err.println("Output file "+args[1]+" is not accessible");
	    System.exit(1);
	}

	//
	// Read the first line of the .dat file. We want to store the
	// "sample rate" in a variable, but we can ignore the rest 
	// of the line. We step through the first line one token (word)
	// at a time using the Scanner.  The fourth token
	// is the one we want (the sample rate).
	//
	
	Double sampleRate;
	
	sc.next();                    // Read in semicolon
	sc.next();                    // Read in "Sample"
	sc.next();                    // Read in "Rate"
	sampleRate = sc.nextDouble(); // Read in sample rate
	
	//
	// Read in the file and place values from the second column 
	// in the stack. The first column values are thrown away. 
	// We stop reading if we reach the end of the file.
	// Lines begininning with semicolon are discarded
	//
	
	Stack<Double>  s  = new Stack<Double>();            
	double timestep, data;
	
	int count = 0;
	try {
	    if (sc.next(";")!=null) sc.nextLine();    
	    // Skip lines starting with semicolon
	}   
	catch(Exception e2) {}
	while (sc.hasNext()) {
	    timestep = sc.nextDouble();     
	    // Read in time step value from first column
	    // -- which we do not need
	    data = sc.nextDouble();     
	    // Read in data value from second column
	    // -- which we *do* need
	    s.push(data);
	    count++;
	}
	
	System.out.println(count+" samples in file");