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Diffstat (limited to '.emacs.d/org-7.4/contrib/babel/library-of-babel.org')
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diff --git a/.emacs.d/org-7.4/contrib/babel/library-of-babel.org b/.emacs.d/org-7.4/contrib/babel/library-of-babel.org deleted file mode 100644 index abc15a9..0000000 --- a/.emacs.d/org-7.4/contrib/babel/library-of-babel.org +++ /dev/null @@ -1,370 +0,0 @@ -#+title: The Library of Babel -#+author: Org-mode People -#+STARTUP: odd hideblocks - -* Introduction - The Library of Babel is an extensible collection of ready-made and - easily-shortcut-callable source-code blocks for handling common - tasks. Org-babel comes pre-populated with the source-code blocks - located in this file. It is possible to add source-code blocks from - any org-mode file to the library by calling =(org-babel-lob-ingest - "path/to/file.org")=. - - This file is included in worg mainly less for viewing through the - web interface, and more for contribution through the worg git - repository. If you have code snippets that you think others may - find useful please add them to this file and [[file:~/src/worg/worg-git.org::contribute-to-worg][contribute them]] to - worg. - - The raw Org-mode text of this file can be downloaded at - [[repofile:contrib/babel/library-of-babel.org][library-of-babel.org]] - -* Simple -A collection of simple utility functions - -#+srcname: echo -#+begin_src emacs-lisp :var input="echo'd" - input -#+end_src - -* File I/O -** reading and writing files -Read the contents of the file at =file=. The =:results vector= and -=:results scalar= header arguments can be used to read the contents of -file as either a table or a string. -#+srcname: read -#+begin_src emacs-lisp :var file="" :var format="" - (if (string= format "csv") - (with-temp-buffer - (org-table-import (expand-file-name file) nil) - (org-table-to-lisp)) - (with-temp-buffer - (insert-file-contents (expand-file-name file)) - (buffer-string))) -#+end_src - -Write =data= to a file at =file=. If =data= is a list, then write it -as a table in traditional Org-mode table syntax. -#+srcname: write -#+begin_src emacs-lisp :var data="" :var file="" :var ext='() - (flet ((echo (r) (if (stringp r) r (format "%S" r)))) - (with-temp-file file - (case (and (listp data) - (or ext (intern (file-name-extension file)))) - ('tsv (insert (orgtbl-to-tsv data '(:fmt echo)))) - ('csv (insert (orgtbl-to-csv data '(:fmt echo)))) - (t (org-babel-insert-result data))))) - nil -#+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='() - (require 'json) - (cond - (file - (with-temp-filebuffer file - (goto-char (point-min)) - (json-read))) - (url - (require 'w3m) - (with-temp-buffer - (w3m-retrieve url) - (goto-char (point-min)) - (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" :var format="csv" - (let* ((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) '(4)) - (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. -: #+call: gdoc-read(title="num-cells"") - -A line like the following can be used to read the contents of a -document as a string. -: #+call: gdoc-read(title="loremi", :format "txt") - -****** 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 -: #+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)) - -* 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 -plot(data) -#+end_src - -#+tblname: R-plot-example-data -| 1 | 2 | -| 2 | 4 | -| 3 | 9 | -| 4 | 16 | -| 5 | 25 | - -#+lob: R-plot(data=R-plot-example-data) - -#+resname: R-plot(data=R-plot-example-data) -: nil - -** Gnuplot - -* Org reference -** headline references -#+source: headline -#+begin_src emacs-lisp :var headline=top :var file='() - (save-excursion - (when file (get-file-buffer file)) - (org-open-link-from-string (org-make-link-string headline)) - (save-restriction - (org-narrow-to-subtree) - (buffer-string))) -#+end_src - -#+call: headline(headline="headline references") - -* Tables -** LaTeX Table export -*** booktabs -This block can be used to wrap a table in the latex =booktabs= -environment, it takes the following arguments -- all but the first two -are optional. -| arg | description | -|-------+--------------------------------------------| -| table | a reference to the table | -| align | optional alignment string | -| env | optional environment, default to "tabular" | -| width | optional width specification string | - -#+srcname: booktabs -#+begin_src emacs-lisp :var table='((:head) hline (:body)) :var align='() :var env="tabular" :var width='() :noweb yes :results latex - (flet ((to-tab (tab) - (orgtbl-to-generic - (mapcar (lambda (lis) - (if (listp lis) - (mapcar (lambda (el) - (if (stringp el) - el - (format "%S" el))) lis) - lis)) tab) - (list :lend " \\\\" :sep " & " :hline "\\hline")))) - (org-fill-template - " - \\begin{%env}%width%align - \\toprule - %table - \\bottomrule - \\end{%env}\n" - (list - (cons "env" (or env "table")) - (cons "width" (if width (format "{%s}" width) "")) - (cons "align" (if align (format "{%s}" align) "")) - (cons "table" - ;; only use \midrule if it looks like there are column headers - (if (equal 'hline (second table)) - (concat (to-tab (list (first table))) - "\n\\midrule\n" - (to-tab (cddr table))) - (to-tab table)))))) -#+end_src - -*** longtable -This block can be used to wrap a table in the latex =longtable= -environment, it takes the following arguments -- all but the first two -are optional. -| arg | description | -|-----------+-------------------------------------------------------------| -| table | a reference to the table | -| align | optional alignment string | -| width | optional width specification string | -| hline | the string to use as hline separator, defaults to "\\hline" | -| head | optional "head" string | -| firsthead | optional "firsthead" string | -| foot | optional "foot" string | -| lastfoot | optional "lastfoot" string | - -#+srcname: longtable -#+begin_src emacs-lisp :var table='((:table)) :var align='() :var width='() :var hline="\\hline" :var firsthead='() :var head='() :var foot='() :var lastfoot='() :noweb yes :results latex - (org-fill-template - " - \\begin{longtable}%width%align - %firsthead - %head - %foot - %lastfoot - - %table - \\end{longtable}\n" - (list - (cons "width" (if width (format "{%s}" width) "")) - (cons "align" (if align (format "{%s}" align) "")) - (cons "firsthead" (if firsthead (concat firsthead "\n\\endfirsthead\n") "")) - (cons "head" (if head (concat head "\n\\endhead\n") "")) - (cons "foot" (if foot (concat foot "\n\\endfoot\n") "")) - (cons "lastfoot" (if lastfoot (concat lastfoot "\n\\endlastfoot\n") "")) - (cons "table" (orgtbl-to-generic - (mapcar (lambda (lis) - (if (listp lis) - (mapcar (lambda (el) - (if (stringp el) - el - (format "%S" el))) lis) - lis)) table) - (list :lend " \\\\" :sep " & " :hline hline))))) -#+end_src - -** Elegant lisp for transposing a matrix. - -#+tblname: transpose-example -| 1 | 2 | 3 | -| 4 | 5 | 6 | - -#+srcname: transpose -#+begin_src emacs-lisp :var table=transpose-example - (apply #'mapcar* #'list table) -#+end_src - -#+resname: -| 1 | 4 | -| 2 | 5 | -| 3 | 6 | - -* Misc -#+srcname: python-identity(a=1) -#+begin_src python -a -#+end_src -#+srcname: python-add(a=1, b=2) -#+begin_src python -a + b -#+end_src -* GANTT Charts - -The =elispgantt= source block was sent to the mailing list by Eric -Fraga. It was modified slightly by Tom Dye. - -#+source: elispgantt -#+begin_src emacs-lisp :var table=gantttest - (let ((dates "") - (entries (nthcdr 2 table)) - (milestones "") - (nmilestones 0) - (ntasks 0) - (projecttime 0) - (tasks "") - (xlength 1)) - (message "Initial: %s\n" table) - (message "Entries: %s\n" entries) - (while entries - (let ((entry (first entries))) - (if (listp entry) - (let ((id (first entry)) - (type (nth 1 entry)) - (label (nth 2 entry)) - (task (nth 3 entry)) - (dependencies (nth 4 entry)) - (start (nth 5 entry)) - (duration (nth 6 entry)) - (end (nth 7 entry)) - (alignment (nth 8 entry))) - (if (> start projecttime) (setq projecttime start)) - (if (string= type "task") - (let ((end (+ start duration)) - (textposition (+ start (/ duration 2))) - (flush "")) - (if (string= alignment "left") - (progn - (setq textposition start) - (setq flush "[left]")) - (if (string= alignment "right") - (progn - (setq textposition end) - (setq flush "[right]")))) - (setq tasks - (format "%s \\gantttask{%s}{%s}{%d}{%d}{%d}{%s}\n" - tasks label task start end textposition flush)) - (setq ntasks (+ 1 ntasks)) - (if (> end projecttime) - (setq projecttime end))) - (if (string= type "milestone") - (progn - (setq milestones - (format - "%s \\ganttmilestone{$\\begin{array}{c}\\mbox{%s}\\\\ \\mbox{%s}\\end{array}$}{%d}\n" - milestones label task start)) - (setq nmilestones (+ 1 nmilestones))) - (if (string= type "date") - (setq dates (format "%s \\ganttdateline{%s}{%d}\n" - dates label start)) - (message "Ignoring entry with type %s\n" type))))) - (message "Ignoring non-list entry %s\n" entry)) ; end if list entry - (setq entries (cdr entries)))) ; end while entries left - (format "\\pgfdeclarelayer{background} - \\pgfdeclarelayer{foreground} - \\pgfsetlayers{background,foreground} - \\renewcommand{\\ganttprojecttime}{%d} - \\renewcommand{\\ganttntasks}{%d} - \\noindent - \\begin{tikzpicture}[y=-0.75cm,x=0.75\\textwidth] - \\begin{pgfonlayer}{background} - \\draw[very thin, red!10!white] (0,1+\\ganttntasks) grid [ystep=0.75cm,xstep=1/\\ganttprojecttime] (1,0); - \\draw[\\ganttdatelinecolour] (0,0) -- (1,0); - \\draw[\\ganttdatelinecolour] (0,1+\\ganttntasks) -- (1,1+\\ganttntasks); - \\end{pgfonlayer} - %s - %s - %s - \\end{tikzpicture}" projecttime ntasks tasks milestones dates)) -#+end_src |