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-rw-r--r--lisp/ob-R.el11
1 files changed, 5 insertions, 6 deletions
diff --git a/lisp/ob-R.el b/lisp/ob-R.el
index 93d6fe2..b97fd91 100644
--- a/lisp/ob-R.el
+++ b/lisp/ob-R.el
@@ -173,12 +173,11 @@ This function is called by `org-babel-execute-src-block'."
(defun org-babel-R-assign-elisp (name value colnames-p rownames-p)
"Construct R code assigning the elisp VALUE to a variable named NAME."
(if (listp value)
- (let ((max (apply #'max (mapcar #'length (org-remove-if-not
- #'sequencep value))))
- (min (apply #'min (mapcar #'length (org-remove-if-not
- #'sequencep value))))
- (transition-file (org-babel-temp-file "R-import-")))
- ;; ensure VALUE has an orgtbl structure (depth of at least 2)
+ (let* ((lengths (mapcar 'length (org-remove-if-not 'sequencep value)))
+ (max (if lengths (apply 'max lengths) 0))
+ (min (if lengths (apply 'min lengths) 0))
+ (transition-file (org-babel-temp-file "R-import-")))
+ ;; Ensure VALUE has an orgtbl structure (depth of at least 2).
(unless (listp (car value)) (setq value (list value)))
(with-temp-file transition-file
(insert