Preview Ruby 4.1 is a preview. It can change before the final release. Switch to Ruby 4.0 →

instance method

FileTest#readable_real?

(::path file_name) -> bool

File.readable_real?(path) → true or false

static VALUE
rb_file_readable_real_p(VALUE obj, VALUE fname)
{
    return RBOOL(rb_access(fname, R_OK) >= 0);
}

Like File.readable?, but checks against the real user and group ids instead of the effective ids.

See also #readable? #setgid? #pipe? #setuid? also in 4.0 · 3.4 · 3.3 · 3.2 · 3.1 · 3.0