detecting armor or text

[Atom 'Smasher']

-----BEGIN PGP SIGNED MESSAGE-----
Hash: SHA256

is there a good way to programmatically detect whether a message is text, 
binary or armored?

if not, i'd like to request a status-fd keyword that identifies this.

thanks...


- -- 
         ...atom

  _________________________________________
  PGP key - http://atom.smasher.org/pgp.txt
  762A 3B98 A3C3 96C9 C6B7 582A B88D 52E4 D9F5 7808
  -------------------------------------------------

 	"Your password must be at least 18770 characters and
 	 cannot repeat any of your previous 30689 passwords.
 	 Please type a different password. Type a password
 	 that meets these requirements in both text boxes."
 		-- Microsoft takes security seriously in
 		Knowledge Base Article Q276304.

-----BEGIN PGP SIGNATURE-----
Version: GnuPG v1.3.6 (FreeBSD)
Comment: What is this gibberish?
Comment: http://atom.smasher.org/links/#digital_signatures

iQEcBAEBCAAGBQJBmMMRAAoJEAx/d+cTpVci5AMH/3bdL4TOeNyd3k2zY2qcUh9N
cK8spok4M9B/Wt2o0UwhF69/rT2Pq9x8aBgCXNrhbOdDlsEh5w3IX7wWLDal8bBo
MKE+cw5hm0oqmCl/zcyOznaWZOtQs1P0qyJPmOvBGyS5kG34mvU0wlOn6bchpmpX
IVRAvXC3xUZQ+iN7W6SbBDRZ55i+UDWANbt94ArCjRoXJyk0pMboZAr0cKATfSXC
aouxNflQg9cLF+Oz6nZUZrsxoKLGh4+0nRFR6G2YClUGh1ggi5LYwZ7LTF/W7RyW
SNpE12sKfSsUsnr03mRdFKS81p6sCyz8LbN0fATwc781qTUO3FPoT4DearSrW5g=
=zIfb
-----END PGP SIGNATURE-----