gistfile1.txt

#include <iostream>
#include <string>
#include <fstream>
#include <iomanip>
#include <ctype.h>
using namespace std;

void  main()
{
	ifstream infile,inputfile;
	fstream myfile;
	string nameadd, name, passwordadd, password, useradd, user, user1, password1;
	string answer;
	char choice;

	infile.open("personal.txt");

	
	cout << "Are you a member? Y or N   :";
	cin >> answer;
	if (answer == "n")

	{


		
		myfile.open("personal.txt", fstream::app);
		if (!myfile)
			cout << "unable to open";
		else
		{
			cout << "Please enter name. 'no spacing is allowed, please use _ ' ";
				cin >> nameadd;

			cout << "Please enter username. : ";
			cin >> useradd;
			cout << "Please enter password: ";
			cin >> passwordadd;
			cout << endl;
			cout << "adding new record:\n";
			cout << nameadd << "  " << useradd << "  " << passwordadd << endl;
			myfile << nameadd << "  " << useradd << "  " << passwordadd << endl;
			if (myfile.fail())
				cout << "Failed adding data \n";
			else
				cout << "data added! \n";
		}

	}
	else
	{

		cout << "Please login. Enter name<space>password: ";
		cin >> user1 >> password1;



			ifstream file("personal.txt");
		string line;
		while (getline(file, line))
		{
			if (user1 == user && password1 == password)
				cout << "Welcome!";
			
			else
				cout << "You failed!";
		}

	}

	system("pause");
}