//  ;-----------------------------------------------------------
//  ; Program Name:   Class_Demo								
//  ; File:           demoprob22.cpp							
//  ; Description:    Shows use of good(), rdstate() Member Functions
//	;                 and the Append Operation
//  ; Author:         Jim Adams								
//  ; Environment:    MS C++ 6.0								
//  ; Date Written:   11/02/2001
//  ;-----------------------------------------------------------
#include <stdlib.h>
#include <fstream.h>

char	num[20];

void main(void)
{

	char	data_file[60]="C:/DATA/C_PROGRAMS/CIS162/FALL2001/NUMBERS.DAT";
	char	new_file[60] ="C:/DATA/C_PROGRAMS/CIS162/FALL2001/NEWDATA.DAT";

	ifstream numbers_in;
	ofstream numbers_out;

	//	Open the input file
	numbers_in.open(data_file, ios::in | ios::nocreate);
	if (numbers_in.good() == false)
		{
		cout << "Error Opening input File " << data_file << " \n\n";
		exit(1);
		}

	//	Open the output file for append
	numbers_out.open(new_file, ios::app);
	if (numbers_out.good() == false)
		{
		cout << "Error Opening Output File " << new_file << " \n\n";
		exit(1);
		}

	//	Read and write the data
	while (! numbers_in.eof())
		{
		numbers_in >> num;
		numbers_out << num << endl;
		cout << num << "   " << numbers_in.rdstate() << endl;
		}

	//	Close the files
	numbers_in.close();
	numbers_out.close();
}