From: Chad Perrin <code@...>
Date: 2011-06-03T01:34:27+09:00
Subject: Re: CORE - Replace "if __FILE__ == $0"  with "executed?"

--XF85m9dhOBO43t/C
Content-Type: text/plain; charset=us-ascii
Content-Disposition: inline
Content-Transfer-Encoding: quoted-printable

On Thu, Jun 02, 2011 at 10:51:46PM +0900, Peter Zotov wrote:
>=20
> It failed because __FILE__ is not a constant: it is a special lexical
> construct which is replaced by just a string containing the filename at
> the point of _loading_ the file, i.e. even before the execution begins.
> You simply cannot access it in any way after the file was loaded.
>=20
> You can still implement it this way (note that it may not work on=20
> implementations other
> than MRI):

[snip]

This seems to work just fine:

    module Kernel
      def executed?
        __FILE__ =3D=3D $0
      end
    end

    if executed?
      puts 'awesomesauce'
    else
      puts 'failsauce'
    end

What am I missing in the constraints of the request?

--=20
Chad Perrin [ original content licensed OWL: http://owl.apotheon.org ]

--XF85m9dhOBO43t/C
Content-Type: application/pgp-signature
Content-Disposition: inline

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v2.0.14 (FreeBSD)

iEYEARECAAYFAk3nuCcACgkQ9mn/Pj01uKWlnQCfRsJARY/9muhK+GY7Tl8ARRLM
hGEAoL5ZjOpjZMOW0VzALR/1BqDtJuBQ
=pgTy
-----END PGP SIGNATURE-----

--XF85m9dhOBO43t/C--