I changed the line to #+BEGIN_SRC R :results output silent :exports none :var foo=0, but it gives me the same error as before. Running on the old-ish version of org (from January, commit 8be17c8c62a8fb402a2ebf1c963a4e9f8f5dec53).
On 9/29/11, Eric Schulte <schulte.e...@gmail.com> wrote: > Hi Leo, > > On my system with the latest Org-mode I get the following slightly more > helpful error message. > > variable "foo" must be assigned a default value > > Please add a default value to the foo variable for export and evaluation > of the code block to work. > > Best -- Eric > > Leo Alekseyev <dnqu...@gmail.com> writes: > >> Here is what's in my org file: >> >> ------------------------8<-------- >> #+title: My org file >> #+babel: :session *R-babel* :tangle yes >> >> * The problem >> ** The code >> This is going to fail on export: >> >> #+source: test_code >> #+BEGIN_SRC R :results output silent :exports none :var foo >> bar <- foo >> #+END_SRC >> >> Why does this fail? >> #+call: test_code(foo=200) >> #+results: test_code(foo=200) >> ------------------------8<-------- >> >> Simple, right? Yet, when I try to do org-export-as-html, I get: >> >> executing R code block (test_code)... >> result is "" >> "" >> executing Emacs-Lisp code block... >> >> (results (quote "")) >> >> Code block produced no output. >> org-babel-exp-code: Wrong type argument: stringp, (results . "") >> >> This happens with the latest org-mode from trunk, as well as my >> few-months-old version. What's going on? >> > > -- > Eric Schulte > http://cs.unm.edu/~eschulte/ >
