char *new_file_path = malloc(strlen(file_from_list_path[buff_ind]) + 20);
                    sprintf(new_file_path, "%s%s", file_from_list_path[buff_ind], get_time(last_modification));
                    int proc = fork();
                    if(proc == 0){
                        execl("/bin/cp", "cp", file_from_list_path[buff_ind], new_file_path, (char *) 0);
                        exit(-1);
                    }else{
                        waitpid(proc,NULL,0);
                    }