File::Stat#size?

() -> ::Integer?

stat.size? → Integer or nil

static VALUE
rb_stat_s(VALUE obj)
{
    rb_off_t size = get_stat(obj)->st_size;

    if (size == 0) return Qnil;
    return OFFT2NUM(size);
}

Returns nil if stat is a zero-length file, the size of the file otherwise.

Example

File.stat("testfile").size?   #=> 66
File.stat(File::NULL).size?   #=> nil

See also #size #socket? #setuid? #sticky? also in 4.1 · 4.0 · 3.3 · 3.2 · 3.1 · 3.0