#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>

int main(int argc, char *argv[]) {
    if (argc < 2) {
        printf("Trebuie sa dati un argument pt fisierul de citire");
        exit(420);
    }

    char buffer[20];
    int nrc = 0;
    int fisier = open(argv[1], O_RDONLY);
    int nrch = 0;

    while(read(fisier, &buffer, sizeof(char))){
        if(isdigit(buffer[0])){
            nrc++;
            printf("%c", buffer[0]);
        }

        nrch++;
    }

    close(fisier);
    printf("\n");
    printf("In fisierul dat ca argument sunt %d cifre.", nrc);

    int pf = creat("home/student/kate/nou", S_IRUSR|S_IWUSR);
    sprintf(buffer, "In fisierul dat ca argument sunt %d cifre.", nrc);
    write(pf, buffer, strlen(buffer));

    struct stat s;
    int i = lstat(argv[1], &s);
    sprintf(buffer,"Grup ID: %d", s.st_gid);
    write(pf,buffer,strlen(buffer));
    symlink("home/student/kate/nou", "./mylink");
    close(pf);

    printf("\n");

    return 0;

}