Andreas Leha <andreas.l...@med.uni-goettingen.de> writes:
> Hi all,
>
> I am having troubles in using the header argument :units which is
> implemented for R source blocks. Example:
>
> #+begin_src R :results graphics :file wideplot.png :width 14 :height 7 :units
> "cm"
> plot(1:10, 1:10)
> #+end_src
>
>
> This expands to
>
> : png(filename="wideplot.png",height=7,units=cm,width=14)
> : plot(1:10, 1:10)
> : dev.off()
>
> and leads -- when evaluated -- to the error
>
> : Fehler in match.arg(units, c("in", "px", "cm", "mm")) :
> : 'arg' must be NULL or a character vector
>
> I guess this is a bug, correct? Otherwise, how do I correctly use
> this header argument?
>
> Regards,
> Andreas
>
>
>
Aloha all,
The attached patch handles quoted string values for R device header
arguments. With the patch the following works as expected:
#+header: :width 100 :height 100 :units "mm" :res 120
#+BEGIN_SRC R :results graphics :file "test.png"
x <- c(1,2,3,4,5)
y <- x
plot(x,y)
#+END_SRC
All the best,
Tom
>From b8aa7b26f56300faadd1a40433208ef18db8ae73 Mon Sep 17 00:00:00 2001
From: Thomas Dye <t...@tsdye.com>
Date: Mon, 18 Jun 2012 17:26:09 -1000
Subject: [PATCH] * lisp/ob-R.el: Handle quoted string values to device header
arguments
---
lisp/ob-R.el | 2 +-
1 files changed, 1 insertions(+), 1 deletions(-)
diff --git a/lisp/ob-R.el b/lisp/ob-R.el
index d23f269..0802736 100644
--- a/lisp/ob-R.el
+++ b/lisp/ob-R.el
@@ -260,7 +260,7 @@ current code buffer."
(setq args (mapconcat
(lambda (pair)
(if (member (car pair) allowed-args)
- (format ",%s=%s"
+ (format ",%s=%S"
(substring (symbol-name (car pair)) 1)
(cdr pair)) ""))
params ""))
--
1.7.5.4
--
Thomas S. Dye
http://www.tsdye.com
