/***************************************************************
* Name: Prof. Orta
* Course: Computer Science & Programming
* Class: CS04103 Section: 1 & 2
* Assignment Date: 12/01/20
* File Name: Chapter13-binary.cpp
*****************************************************************
* ID: Chapter 13
* Purpose: Demonstrate how to write a binary file
*****************************************************************/
//This program uses the write and read functions.
#include <iostream>
#include <fstream>
using namespace std;
int main()
{
// File object used to access file
fstream file("nums.dat", ios::out | ios::binary);
if (!file)
{
cout << "Error opening file.";
return 0;
}
// Integer data to write to binary file
int buffer[ ] = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
cout << "The size of buffer is: " << sizeof(buffer) << endl << "The size of the element 1 is: " << sizeof(buffer[0]) << endl;
int size = sizeof(buffer)/sizeof(buffer[0]);
// Write the data and close the file
cout << "Now writing the data to the file.\n";
file.write(reinterpret_cast<char *>(buffer),sizeof(buffer));
file.close();
// Open the file and use a binary read to read
// contents of the file into an array
file.open("nums.dat", ios::in);
if (!file)
{
cout << "Error opening file.";
return 0;
}
cout << "Now reading the data back into memory.\n";
file.read(reinterpret_cast<char *>(buffer),
sizeof(buffer));
// Write out the array entries
for (int count = 0; count < size ; count++)
cout << buffer[count] << " ";
// Close the file
file.close();
return 0;
}
