#include <iostream>
#include <unistd.h>
#include <stdio.h>

using namespace std;


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

    if (argc != 2) {
       cout << argv[0] << " file" << endl;
       return 1;
    }

    if (access(argv[1],F_OK) != 0) {
       cout << "No access to file " << argv[1] << endl;
       return 1;
    }

    if (unlink(argv[1]) != 0) {
       perror("Unlink failed ");
       cout << "Could not unlink " << argv[1] << endl;
    }

    return 0;
}