Questions tagged [org-babel]

feature of Org mode that handles source code for multiple languages. It can execute source code from within Org mode documents, making it convenient for producing literate programming documents and managing reproducible research. Note that [tag:org-babel] is now incorporated into [tag:orgmode] as `working with source code` and no longer a separate extension.

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14
votes
1answer
572 views

Generating output in a different language with org mode

Given the following is intended to generate C++ code: #+BEGIN_SRC python :exports both :results output code print "struct Whatever{};" #+END_SRC The result is inserted as follows: #+RESULTS: #+...
3
votes
2answers
834 views

Linking to c++ libraries in babel code block

The title says it all, and I've included the relevant sections of my file below. I'm trying to create a src block that uses some functionality of the boost libraries, the first src block sets up the ...
8
votes
2answers
2k views

Can org-babel replace code with code output on html export?

I'm using org-mode to generate web pages of my notes. Can I embed code to generate additional HTML, etc? org-babel will generate results but it seems to show the results in addition to the code. I ...
6
votes
1answer
2k views

Variables in Babel evaluation with SQL blocks

According to the org-mode manual, you can set variables in code blocks as follows: #+HEADERS: :var foo="blah" #+BEGIN_SRC elisp (message foo) #+END_SRC #+RESULTS: : blah However, when I try to do ...
2
votes
2answers
585 views

Is there a variable with a list of languages supported by Org-mode src-blocks?

In org-mode, is there a variable/const/whatever containing a list of all languages supported in "BEGIN/END_SRC" blocks? Are there any other methods to list them? (except parsing a list of ob-*.el ...
6
votes
1answer
2k views

Centered figures in org-mode LaTeX export

When org-mode exports figures to LaTeX, the figure shows up left justified. Is there an easy way to have all the figures centered? I want to avoid having to type #+ATTR_LATEX: :float t above each ...
8
votes
2answers
2k views

How to force an org-babel session to reset or initialize?

If I run the following babel shell blocks #+BEGIN_SRC sh :session one :results output ssh staging #+END_SRC #+BEGIN_SRC sh :session one :results output hostname #+END_SRC Org creates a shell ...
0
votes
1answer
432 views

*Org Src file.org[ R ]*: C-c ' is undefined

I'm trying to edit a code snippet in org-mode. When I type C-c ' in org mode buffer, it opens up the editor window in R-mode, but it doesn't know about C-c ' and cannot be killed by C-x k since when I ...
7
votes
1answer
807 views

working setup for ipython in babel

Can someone point me to a working setup for using babel with IPython? I'm witnessing strange indentation behavior when I try to define functions. This happens whether or not I specify the --classic ...
6
votes
1answer
2k views

Org code block receives table without header

I'm trying to send an Org table as a lisp object to a code block for further processing with an elisp function. For testing I set up two code blocks, one that generates the table and another that ...
20
votes
1answer
4k views

How to specify default header arguments in orgmode code blocks

I'm tying to set default header arguments to the code blocks within my org file, like this: #+PROPERTY: header-args :session *my_python_session* #+PROPERTY: header-args :results silent #+PROPERTY: ...
0
votes
1answer
174 views

How to bash command output that isn't STDOUT from babel shell command

Is this possible? For example, determining the version of anaconda: #+BEGIN_SRC sh :results output conda -V | grep "conda" #+END_SRC If I remove the grep part I get no output at all, with it I at ...
3
votes
0answers
173 views

Launching in daemon mode crashes emacs while loading configuration from .org file

I've been using literate programming using org-mode for my initialization file. I've a init.el which loads a org file converts it to .el and uses it as startup file. Here is my configuration files. ...
2
votes
0answers
325 views

How do I get comments in a noweb expansion?

Given the org-mode file * File Description :PROPERTIES: :comments: org :tangle: file.sh :noweb: yes :END: ** A function call This is foo #+BEGIN_SRC sh :noweb-ref myfunction :tangle no ...
7
votes
2answers
2k views

live refresh of inline images with org-display-inline-images

Recently I've noticed the function I had been using to do refresh had stopped working and I had to change to a simpler call. I used to have: (defun k/org-babel-refresh-inline-images () (org-...
48
votes
6answers
15k views

Can I use org-mode to structure my .emacs or other .el configuration file?

My .emacs configuration file gets bigger and bigger and I'd like to get a better overview and structuring by adding headings, subheadings and being able to hide or show them like I can do with Emacs ...
5
votes
2answers
500 views

apostrophe in org-babel export to latex and beamer

How can I get org-babel to properly render ' and not ’ when exporting to LaTeX and to Beamer? I didn't find any good solution yet, and I would like the code to be copy-pasteable.
4
votes
2answers
469 views

Greek characters in graphs produced by org-babel and gnuplot

I can generate plots using gnuplot source blocks with org-babel like the following: #+begin_src gnuplot :file plot.png plot x w l t "$\epsilon$ = 1", \ 1-x w l t "ε = 0.1" #+end_src which ...
13
votes
1answer
2k views

Display errors and warnings in an org-mode code block

I would like to be able to report warnings and errors when evaluating a Python code block in an Org file. When a code block has Python syntax errors, Org helpfully pops them up in a separate ...
13
votes
2answers
3k views

Can I include a common code block in two different code blocks in Org mode?

I have an org-mode file containing a table of data and two Python code blocks to extract different summaries from it. I would like to share some common constants and functions between these two code ...
3
votes
2answers
3k views

org babel eval with no confirmation is explicit: :eval yes

According to fniessen's babel reference I should be able to set :eval yes on a babel header line to make a source block evaluate without confirmation. However, this doesn't seem to work for me on ...
2
votes
1answer
608 views

Calling the calc stack from babel: displaying percentages

Calc supports displaying results as percentages with c %. How can I make babel return this? I tried: #+BEGIN_SRC calc 1 2 '/ 'c% #+END_SRC But this just gives an error. I also tried with a space ...
1
vote
1answer
359 views

Babel doesn't wrap results in verbatim

Here's an example: #+NAME: sys5 #+HEADER: :exports both #+BEGIN_SRC maxima :results raw programmode: false; solution: triangularize(coefmatrix( [ -3*x - 11*y + 7*z = 0, ...
7
votes
2answers
442 views

Controlling the order of output with Org-Babel

Consider the following Org file: #+PROPERTY: tangle "init.el" #+PROPERTY: noweb yes * A #+begin_src elisp ; initialization code ; this *must* come first #+end_src * B #+begin_src emacs-lisp <<...
5
votes
2answers
2k views

Referring to the org-babel src block name from within the script

This is tangentially related to my previous question on dealing with asynchronous babel scripts. Currently I have to manually specify the name of the src block the babel function is in: #+name: elisp-...
7
votes
1answer
681 views

Returning org-babel results from an asynchronous call

I'm currently experimenting with moving more of my development workflow into org-mode so I can keep better track of what testing I've done. However some of the steps involve asynchronous calls to RPC ...
13
votes
3answers
3k views

Code-block specific interpreter in Org Babel

Is it possible to have, in the same org file, two code blocks in the same language that are run in different interpreters by specifying different options at the top of the code block?
17
votes
2answers
3k views

Using Org Babel to tangle to a variable file name

If I have a code snippet that I tangle to a file, but I expect the file name to change over time, Is there a cleaner way to change the filename than Query-replace? For example, say I tangle code to ~/...
6
votes
1answer
378 views

Applying major-mode font locking to exported org-babel snippets

Currently I have a bunch of code snippets in my Org-based presentation. I'm exporting them with ox-reveal, but the exported code doesn't have any syntax highlighting. Is there any way to: have syntax ...
3
votes
1answer
446 views

Adding table headings to #+RESULTS: tables

I'm using org-babel to generate a result I want to export in my table. However I can't find a way to easily control the heading of the table. At the moment the best I can manage is echo'ing some CSV ...
5
votes
1answer
367 views

Finding and executing org-babel snippets programatically

I currently I have a couple of org-babel shell snippets to package up a build and push it to a server for later usage. This also handily keeps a reference to the last execution of the snippet so I can ...

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