#include <fstream>
#include <iostream>
#include <string>
#include <cstdlib>
using namespace std;

int main()
{
    ifstream fin;
    string filename;
    cout << "Enter filename => ";
    cin >> filename;

    try
    {
        fin.open(filename);
        if (fin.is_open())
        {
            cout << "file " << filename << " opened\n";
        }
        else
            throw(string("Can't open file ") + filename);
    }
    catch (const string& errmsg)
    {
        cout << errmsg << "\nTry again? ";
        char yn;
        cin >> yn;
        if (yn == 'y')
        {
            fin.clear();                    // Is this necessary?
            cout << "Enter filename => ";
            cin >> filename;
            fin.open(filename);
            if (!fin)
            {
                cout << "I quit!  I can't find file " << filename << " either.\n";
            }
            else
            {
                cout << "file " << filename << " opened\n";
            }
        }
        else
        {
            cout << "I didn't think you wanted to open a file anyway!\n";
        }
    }

    cout << "*** End of Program ***\n";
}