** simple shell
   :PROPERTIES:
   :DATE:     2011-06-06
   :END:
#+begin_src sh
  sleep 10 && ls
#+end_src

#+name:
| _config.yml     |
| data            |
| development.org |
| elsevier        |
| index.org       |
| paper           |
| publish.org     |
| scraps          |
| scraps.html     |
| scraps.org      |
| scraps.tex      |

#+begin_src ruby :session eric
  puts [1..4]
#+end_src

#+name:
: nil