//inoutfiles.cpp
//experiment with stream io, 
//including standard io
//and from and to files.
#include<iostream>//cout, cin, endl
#include<fstream> //handles input & output files
//ifstream, ofstream
using namespace std;
int main()
{
int n;
char c, pagehold;
float x;

ifstream infile("myindata.txt");
  //infile is my variable name for the input file
  //myindata.txt is a data file already set up.

ofstream outfile("myoutdata.txt");
  //outfile is my variable name for the output file
  //myoutdata.txt is a data file
  //by default it overwrites an existing file
  //can be set to append:
  // ofstream outfile("myoutdata.txt",ios::app);
  
outfile << "This is the file myoutdata.txt\n";
cout << "This is the monitor screen.\n";

infile >> n >> c >> x; //infile works like cin
      //but you don't need the enter key
cout << n << '\n' << c << '\n' << x << endl;
  //cout is still around to write on the screen

  //write these to the disk
outfile << n << ' ' << n << c << x << c << endl;

  //write the same thing to the screen
cout << n << ' ' << n << c << x << c << endl;

cin >> pagehold;
  //cin still reads from the keyboard
cin.ignore(80,'\n');  
  //mixing input from the keyboard and files
  //can lead to problems
  //Always use cin.ignore after input from cin.
  //You should also use, for example, infile.ignore(80,'\n')
  //when you know the next data in infile is on a new line.
return 1;
}