Hi Tom,

That is an interesting proposal, and surprisingly simple to implement.
Please pull the latest version of Org-mode, and you will find that there
is now a :noweb header argument available for source-code blocks which
has the effect of expanding noweb references before source-block
evaluation (as you suggested below).  So for example the following
works.

--8<---------------cut here---------------start------------->8---
#+srcname: noweb-example
#+begin_src ruby
 a = 28
#+end_src

#+begin_src ruby :noweb
 # <<noweb-example>>
 a + 4
#+end_src

#+resname:
: 32
--8<---------------cut here---------------end--------------->8---

Does this satisfy the behavior you were suggesting?

Thanks for the idea! -- Eric

"Thomas S. Dye" <tsd@tsdye.com> writes:

Aloha all,

Is it possible to define frequently used code snippets in a generic way so they can be used in different

sessions?

Something like this is what I have in mind:

#+srcname: r-connect

#+begin_src R :exports none :session any

library(rMySQL)

con <- dbConnect(MySQL(), user="user_name", password="password",

                    dbname="db_name", host="host_name")

#+end_src

#+srcname: r-query

#+begin_src R :session session-1

# <<r-connect>>

res <- dbGetQuery(con, "select * from table_name where 1")

#+end_src

Tom

Thomas S. Dye, Ph.D.

T. S. Dye & Colleagues, Archaeologists, Inc.

Phone: (808) 529-0866 Fax: (808) 529-0884

http://www.tsdye.com

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