//-------------------------------------------------
//
// A program to get patient data from the user and
// create a file using it.
//
// Simon Parsons
// 23rd February 2007
//
//-------------------------------------------------

#include <iostream>
#include <fstream>

using namespace std;

//------------------------------------------------
//
// The main method

int main()
{

    // Initialisation

    int idNumber;                   // Declare variables
    int age;
    int disease;
    int zipCode;

    ofstream outfile;               // Set up output stream 
    outfile.open("patient.dat");    // Open file

    // Get first patient ID

    cout << "Enter patient id, or -1 to end "
    cin  >> idNumber;

    // Now read in patient data and send it to a file.

    while(idNumber >= 0)            // As long as we don't
    {                               // give a negative ID
        cout << "Patient age ";     // read in patient data
        cin  >> age;
        cout << "ZIP code ";
        cin  >> zipCode;
        cout << "Disease ";
        cin  >> disease;

        outfile << idNumber;        // Write data to file
        outfile << age;
        outfile << disease;
        outfile << zipCode;
                                    // Enter ID again

        cout << "Enter patient id, or -1 to end ";
        cin  >> idNumber;
    }

    // Tidy up

    outfile.close();                 // Close file
    return 0;
}