Command line argument example 01

CLA01.cpp

// Command line argument example #01

#include <iostream>
using namespace std;

int main ( int argc, char *argv[] )
{
  if ( argc < 2 ) {
    cout<<"usage: "<< argv[0] <<" <your name>\n";
    exit(1);
  } else {
    cout <<"Hi ";
    for (int i=1; i<argc; i++) cout << argv[i] << ".";
    cout << endl;
  }
}