diff --git a/contrib/babel/library-of-babel.org b/contrib/babel/library-of-babel.org index 49172e0af..ea972a71f 100644 --- a/contrib/babel/library-of-babel.org +++ b/contrib/babel/library-of-babel.org @@ -54,7 +54,7 @@ as a table in traditional Org-mode table syntax. #+end_src ** remote files - +**** json Read local or remote file in [[http://www.json.org/][json]] format into emacs-lisp objects. #+srcname: json #+begin_src emacs-lisp :var file='() :var url='() @@ -72,13 +72,81 @@ Read local or remote file in [[http://www.json.org/][json]] format into emacs-li (json-read)))) #+end_src +**** Google docs +The following code blocks make use of the [[http://code.google.com/p/googlecl/][googlecl]] Google command line +tool. This tool provides functionality for accessing Google services +from the command line, and the following code blocks use /googlecl/ +for reading from and writing to Google docs with Org-mode code blocks. + +****** read a document from Google docs +The =google= command seems to be throwing "Moved Temporarily" errors +when trying to download textual documents, but this is working fine +for spreadsheets. +#+source: gdoc-read +#+begin_src emacs-lisp :var title="example" + (let* ((format (if (member "vector" result-params) "csv" "txt")) + (file (concat title "." format)) + (cmd (format "google docs get --format %S --title %S" format title))) + (message cmd) (message (shell-command-to-string cmd)) + (prog1 (if (string= format "csv") + (with-temp-buffer + (org-table-import (shell-quote-argument file) nil) + (org-table-to-lisp)) + (with-temp-buffer + (insert-file-contents (shell-quote-argument file)) + (buffer-string))) + (delete-file file))) +#+end_src + +For example, a line like the following can be used to read the +contents of a spreadsheet named =num-cells= into a table. +#+begin_src org + ,#+call: gdoc-read(title="num-cells"") :results vector +#+end_src + +A line like the following can be used to read the contents of a +document as a string. +#+begin_src org + ,#+call: gdoc-read(title="loremi") :results scalar +#+end_src + +****** write a document to a Google docs +Write =data= to a google document named =title=. If =data= is tabular +it will be saved to a spreadsheet, otherwise it will be saved as a +normal document. +#+source: gdoc-write +#+begin_src emacs-lisp :var title="babel-upload" :var data=fibs(n=10) :results silent + (let* ((format (if (listp data) "csv" "txt")) + (tmp-file (make-temp-file "org-babel-google-doc" nil (concat "." format))) + (cmd (format "google docs upload --title %S %S" title tmp-file))) + (with-temp-file tmp-file + (insert + (if (listp data) + (orgtbl-to-csv + data '(:fmt (lambda (el) (if (stringp el) el (format "%S" el))))) + (if (stringp data) data (format "%S" data))))) + (message cmd) + (prog1 (shell-command-to-string cmd) (delete-file tmp-file))) +#+end_src + +example usage +#+begin_src org + ,#+source: fibs + ,#+begin_src emacs-lisp :var n=8 + , (flet ((fib (m) (if (< m 2) 1 (+ (fib (- m 1)) (fib (- m 2)))))) + , (mapcar (lambda (el) (list el (fib el))) (number-sequence 0 (- n 1)))) + ,#+end_src + + ,#+call: gdoc-write(title="fibs", data=fibs(n=10)) +#+end_src + * Plotting code ** R Plot column 2 (y axis) against column 1 (x axis). Columns 3 and beyond, if present, are ignored. #+srcname: R-plot(data=R-plot-example-data) -#+begin_src R :session *R* +#+begin_src R plot(data) #+end_src