** tangling
   :PROPERTIES:
   :DATE:     2010-06-17
   :END:

#+begin_src sh :shebang #!/bin/sh :tangle yes
  date
#+end_src

#+begin_src sh :shebang #!/bin/bash :tangle whoisme :exports both
  echo $USER
#+end_src

#+begin_src emacs-lisp :tangle yes :comments yes
  (message "BAM")
#+end_src

#+begin_src fortran :exports both
  1+8
#+end_src