[andreareina]

The files are gone, but you do it by referring to the table/block names.

    #+name: data-table
    ....

    #+name: process-data
    #+begin_src lisp :var data=data-table
      ...
    #+end_src

    #+begin_src gnuplot :var data=process-data
      ...
    #+end_src