remove_all_files.c

#include <stdio.h>
#include <dirent.h>


int main(int argc, char *argv[]) {
    DIR *dir;
    struct dirent *ent;
    long total = 0;
    int starting = 1;

    dir = opendir(argv[1]);

    long count;
    while(starting == 1 || count > 0) {
      count = 0;
      starting = 0;
      while((ent = readdir(dir))) {
        count++;
        if(DT_REG == ent->d_type) {
          char path[1024];
          sprintf(path, "%s/%s", argv[1], ent->d_name);
          printf("removing %s\n", path);
          if (unlink(path) < 0) {
            exit(-500);
          } else {
            total++;
          }
        }
      }
    }

    closedir(dir);

    printf("%s: removed %ld files\n", argv[1], total);

    return 0;
}