#include <iterator> 
#include <iostream>
#include <fstream>
#include <algorithm>

using namespace std;

int main( int argc, const char *argv[]) 
{
  if (argc != 3) {
    cerr << "usage samplecopy from to" << endl;
    return -1;
  }

  ifstream input( argv[1], ios_base::in | ios::binary);
  ofstream output( argv[2], ios_base::out | ios_base::binary);

  if (!input.is_open()) {
    cerr << "can't open " << argv[1] << endl;
    return -2;
  }

  if (!output.is_open()) {
    cerr << "can't open " << argv[2] << endl;
    return -2;
  }


  // use stream_buf::iterators
  istreambuf_iterator<char> pin( input), pin_end;
  ostreambuf_iterator<char> pout( output);

  copy( pin, pin_end, pout);

  return 0;
}