///////////////////////////////////////////////////////////////
//  exmp1h.cpp - reading input from files and writing        //
//               output to files and console                 //
//  Jim Fawcett, ELE591\791, Su'99                           //
//  build: cl /GX exmp1h.cpp                                 //
///////////////////////////////////////////////////////////////

#include <iostream>  // C++ terminal I/O library
#include <fstream>   // C++ file I/O library
#include <string>    // C++ string library
using namespace std;

void main(int argc, char *argv[]) {
  
  cout << "\n  Read and Write Using Files  "
       << "\n ============================ ";
  if(argc == 1) {
    cout << "\n\n  Please enter the name of a file to read\n\n";
    return;
  }
  ifstream inStream(argv[1]);
  if(!inStream.good()) {
    cout << "\n\n  Can't open file " << argv[1] << " for reading\n\n";
    return;
  }
  if(argc == 2) {
    cout << "\n\n  Please enter the name of a destination file\n\n";
    return;
  }
  ofstream outStream(argv[2]);
  if(!outStream.good()) {
    cout << "\n\n  Can't open file " << argv[2] << " for writing\n\n";
    return;
  }
  else
    cout << "\n\n  Copying " << argv[1] << " to " << argv[2] << "\n\n";
  char ch;
  while(inStream.good()) {
    inStream.get(ch);
    outStream << ch;
  }
}