[PATCH] org.el: Added a new interactive function which inserts a code block

[Florian Adamsky <fa-orgmode@haktar.org>]

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Hello,

I do not always use code blocks in org-mode, but when I do, I have
forgotten the syntax :-). In order to prevent that situation I wrote a
little function which is similar to org-insert-link. I called that
function org-insert-code-block. This function reads the language per
minibuffer in and supports completion. It only allows languages which
are loaded via org-babel-load-languages.

Is this function also useful to others? I'm not a long-time Emacs lisp
hacker, so any comment is welcome. Has anyone an idea for a reasonable
keybinding for org-insert-code-block which is not already taken by
org-mode?

Thanks in advance.

Best regards,
Florian 

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diff --git a/lisp/org.el b/lisp/org.el
index 66f9c3e..19e91c0 100644
--- a/lisp/org.el
+++ b/lisp/org.el
@@ -9145,6 +9145,21 @@ a link description or nil."
 	    "[[" (car link) "]]")))
 
 ;;;###autoload
+(defun org-insert-code-block ()
+  "Insert a code block. At the prompt, enter the language which is available.
+
+Completion can be used to insert any language which is loaded in
+org-babel-load-lanuages."
+  (interactive)
+  (setq language (completing-read
+   "Code block : "
+   (mapcar 'symbol-name
+           (mapcar 'car org-babel-load-languages))
+   nil nil))
+  (insert (concat "#+BEGIN_SRC " language "\n\n"))
+  (insert "#+END_SRC")
+  (previous-line))
+
 (defun org-insert-link-global ()
   "Insert a link like Org-mode does.
 This command can be called in any mode to insert a link in Org-mode syntax."