//Copies story.txt to numstory.txt, 
//but adds a number to the beginning of each line. 
//Assumes story.txt is not empty.
#include <fstream>
#include <iostream>
#include <cstdlib>

using std::ifstream;
using std::ofstream;
using std::cout;


int main( )
{
    ifstream fin;
    ofstream fout;

    fin.open("story.txt");
    if (fin.fail( ))
    {
        cout << "Input file opening failed.\n";
        exit(1);
    }

    fout.open("numstory.txt");
    if (fout.fail( ))
    {
        cout << "Output file opening failed.\n";
        exit(1);
    }

    char next;
    int n = 1;
    fin.get(next);
    fout << n << " ";
    while (! fin.eof( ))
    {
        fout << next;
        if (next == '\n')
        {
            n++;
            fout << n << ' ';
        }
        fin.get(next);
    }

    fin.close( );
    fout.close( );

    return 0;
}