Open a binary file and read : binary file « File Stream « C++ Tutorial






  1. C++ Tutorial
  2. File Stream
  3. binary file
#include <iostream>
#include <fstream>

using namespace std;

int main(int argc, char *argv[]){
   char ch;

   ifstream in("test.txt", ios::in | ios::binary);
   if(!in){
      cout << "Cannot open file.";
      return 1;
   }
   while(in){
      in.get(ch);
      cout << ch;
   }
}








12.3.binary file
12.3.1.Open a binary file
12.3.2.Reading binary file
12.3.3.Open a binary file and read
12.3.4.Output a binary file in hexadecimal
12.3.5.Write Unformatted Binary Data to a File
12.3.6.Use read() to input blocks of binary data.
12.3.7.Use write() to output a block of binary data.
12.3.8.Creating a randomly accessed file
12.3.9.Append to a binary file
12.3.10.Unformatted and Binary I/O