Function F_Second_Program

Lab_19/main.cpp:74–142

}

void F_Second_Program()
{

	for (int k = 0; k < 1000; k++)
	{
		system("cls");
		cout << "C O N T A C T S\n"
			 << "------------------\n"
			 << "1. Add a contact\n"
			 << "2. Contacts\n"
			 << "0. Back\n"
			 << "Your choice: \n";

		ofstream out_contacts("contacts.txt", ios::app);

		string name, phone;

		switch (_getch())
		{
			// case 49 is for adding a new contact into a list
		case 49:
		{
			system("cls");
			cout << "Adding a new contact. Input a contact info:\n\n";

			cout << "Enter the name: ";
			cin >> name;
			cout << "Enter the phone number: ";
			cin >> phone;

			// storing the data in file
			out_contacts << left << setw(12) << name << "\t" << phone << "\n";
			out_contacts.close(); // closing the file

			cout << "Successfully added!\n\n";

			system("pause");
		}
		break;

		case 50:
		{
			system("cls");
			ifstream in_contacts("contacts.txt"); // getting data from the file
			while (in_contacts >> name >> phone)
			{
				// displaying the data
				cout << left << setw(12) << name << "\t" << phone << endl;
			}
			in_contacts.close(); // closing the file
			system("pause");
		}
		break;

		case 48:
		{
			main(); // to back to main menu
		}