From mboxrd@z Thu Jan 1 00:00:00 1970 From: tsd@tsdye.com (Thomas S. Dye) Subject: Re: Tangling without clutter? Date: Wed, 14 Mar 2012 08:22:38 -1000 Message-ID: References: <44B0EAE8544C834188E8790873CDE1CC3EA752@ARCEXCHANGE.arc.local> Mime-Version: 1.0 Content-Type: text/plain; charset=us-ascii Return-path: Received: from eggs.gnu.org ([208.118.235.92]:51732) by lists.gnu.org with esmtp (Exim 4.71) (envelope-from ) id 1S7sqv-0006Hv-MG for emacs-orgmode@gnu.org; Wed, 14 Mar 2012 14:23:19 -0400 Received: from Debian-exim by eggs.gnu.org with spam-scanned (Exim 4.71) (envelope-from ) id 1S7sqV-0001Zf-Pe for emacs-orgmode@gnu.org; Wed, 14 Mar 2012 14:23:13 -0400 Received: from oproxy5-pub.bluehost.com ([67.222.38.55]:40457) by eggs.gnu.org with smtp (Exim 4.71) (envelope-from ) id 1S7sqV-0001YY-HI for emacs-orgmode@gnu.org; Wed, 14 Mar 2012 14:22:47 -0400 In-Reply-To: <44B0EAE8544C834188E8790873CDE1CC3EA752@ARCEXCHANGE.arc.local> (Jos'h Fuller's message of "Wed, 14 Mar 2012 17:34:22 +0000") List-Id: "General discussions about Org-mode." List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org Sender: emacs-orgmode-bounces+geo-emacs-orgmode=m.gmane.org@gnu.org To: Jos'h Fuller Cc: "emacs-orgmode@gnu.org" Jos'h Fuller writes: > Hi! > > I was writing some documentation about how to use a Python function, so I decided to try the tangling feature. However, the result, when exported to PDF, is unsatisfactory because the referenced code block is included twice -- first in the original location, then again where I referenced it with <>. > > This is, of course, exactly what it needs to do to be able to execute the code properly and show the result. But it doesn't look nice. Is there any way to suppress the second printing inside the function-demo block? > > If this isn't clear from the example below, I can provide examples of the duplication in action as well as what I'd like the output to look like. > > Thanks very much! > > Example file: > #+TITLE: Tangle Test > #+LANGUAGE: en > #+OPTIONS: H:3 num:nil toc:nil \n:nil @:t ::t |:t ^:nil -:t f:t *:t <:t > #+OPTIONS: TeX:t LaTeX:t skip:nil d:nil todo:t pri:nil tags:not-in-toc > > * Tangled Code > I want to show the definition of a function first: > #+name: function-definition > #+begin_src python :tangle yes :exports code > def entable(data): > if not data: return "/No data./" > > columns = len(data[0]) > sizes = [0,]*columns > for row in data: > sizes = [max(x) for x in zip(sizes, [len(str(t)) for t in row])] > > format = "| " + " | ".join(["%%%ds" % x for x in sizes])+" |" > return "\n".join([format % tuple(row) for row in data]) > #+end_src > > Now I want to show a demonstration of how the function might be > called. I need the function to be included so that demonstration > code can be executed, but I don't want to include the function > definition twice: > > #+name: function-demo > #+begin_src python :tangle yes :exports both :noweb yes :results output > <> > > print entable([["One", 2, 3],["Four", 5, 6], ["Seven", 8, 9]]) > #+end_src > > Which gives us this result: > > #+results: function-demo > : | One | 2 | 3 | > : | Four | 5 | 6 | > : | Seven | 8 | 9 | > > Aloha! Does the :no-expand header argument do what you want? See http://orgmode.org/manual/no_002dexpand.html#no_002dexpand. hth, Tom -- Thomas S. Dye http://www.tsdye.com