small project

//This was a small little project I made for fun working with files.

#include <iostream>
#include <fstream>
#include <string>
#include <stdlib.h>

using namespace std;

string username;
string password;

void inFunc();

int main()
{
    ofstream file_write("c++text.txt");

    cout << "Type in \"lol\" to get your username and password or register by typing in a username: ";
    cin >> username;

    cout << "Password: ";
    cin >> password;

    file_write << username << ", " << password << endl;

    system("pause");

    int choice;

    cout << "Type in 5 for your username and password: ";
    cin >> choice;

    if(choice == 5)
    {
        inFunc();
    }
    else
    {
        cout << "An error has occurred!" << endl;
    }

}

void inFunc()
{
    ifstream file_read("c++text.txt");

    while(file_read >> username >> password) //Scan in file for the variables while they exist.
    {
        cout << username << ", " << password << endl;
    }
}