#include <stdio.h>
#include <stdlib.h>

int main(int argc, char *argv[]) {
	if (argc == 3) {
                /*Opening the file provided as a second argument*/
                FILE *f = fopen(argv[2], "w");
                if (f == NULL){
                  printf("Error opening file!\n");
                  exit(1);
                }
                /*Saying hello to the name provided as a first argument*/
                printf("Hello %s !\n", argv[1]);
                fprintf(f, "Hello %s !\n",  argv[1]);
                fclose(f);
        }else{
                printf("This is a C program expecting 2 arguments: the name to say hello to and the output file name\n");
                printf("You have not provided the correct number of arguments\n");
                exit(1);
        }
        exit(0);

}