Method: Dir.mkdir

Defined in:
dir.c

.mkdir(string[, integer]) ⇒ 0

Makes a new directory named by string, with permissions specified by the optional parameter anInteger. The permissions may be modified by the value of File::umask, and are ignored on NT. Raises a SystemCallError if the directory cannot be created. See also the discussion of permissions in the class documentation for File.

Dir.mkdir(File.join(Dir.home, ".foo"), 0700) #=> 0

Returns:

  • (0) 


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# File 'dir.c', line 1250

static VALUE
dir_s_mkdir(int argc, VALUE *argv, VALUE obj)
{
    struct mkdir_arg m;
    VALUE path, vmode;
    int r;

    if (rb_scan_args(argc, argv, "11", &path, &vmode) == 2) {
  m.mode = NUM2MODET(vmode);
    }
    else {
  m.mode = 0777;
    }

    path = check_dirname(path);
    m.path = RSTRING_PTR(path);
    r = (int)(VALUE)rb_thread_call_without_gvl(nogvl_mkdir, &m, RUBY_UBF_IO, 0);
    if (r < 0)
  rb_sys_fail_path(path);

    return INT2FIX(0);
}