Uses put() to write all characters from zero to 255 to a file

 
#include <iostream>
#include <fstream>
using namespace std;
int main()
{
  int i;
  ofstream out("CHARS_File", ios::out | ios::binary);
  if(!out) {
    cout << "Cannot open output file.\n";
    return 1;
  }
  // write all characters to disk
  for(i=0; i<256; i++) 
     out.put((char) i);
  out.close();
  return 0;
}

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Uses put() to write all characters from zero to 255 to a file : ofstream « File « C++

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