Simple example of a use of argc and argv.

CPP-CLI-Parameters.cc

#include <iostream>
#include <fstream>

using namespace std;

const int WIDTH = 2000;
const int HEIGHT = 300;
const int COLOR = 3; //0=red, 1=green, 2=blue

//void main(int argc, char** args[])
int main(int argc, char* argv[])
{

    //      static unsigned char image[WIDTH][HEIGHT][COLOR];
    //      cout << sizeof(image);

    cout << "argc: " << argc << endl;

    for (int x = 0; x < argc; x++)
        cout << "argv[" << x << "]: " << argv[x] << endl;

    if (argc <= 1)
        return 1;

    //open file and print to console charater by charater
    ifstream in;
    in.open(argv[1]);
    if (!in)
    {
        cout << "Error: File could not be opened!";
        cin.get();
        return 2;
    }

    char data;

    //      while (in >> data)
    while (!in.eof())
    {
        in.get(data);
        cout << data;
    }
    in.close();
    return 0;
}