#include <iostream>
#include <fstream>

using namespace std;

int main()
{
    ofstream output;
    ifstream test;

    // Test to see if the file already exists.
    test.open("results.txt");

    // The file WAS found on the disk.
    // Exit the program, to prevent overwriting.
    if(test!=NULL) {
        cerr << "Output file already exits." << endl;
        cerr << "ABORTING!\a" << endl;
        exit(-2);
    }

    // Output file doesn't exist,
    // attempt to create it.

    output.open("results.txt");

    // Did the output file get created successfully.
    if(output==NULL) {
        cerr << "Could not create output file" << endl;
        exit(-1);
    }

    output << "Good moring" << endl;

    output.close();

    system("start results.txt");

    return 0;
}