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      7 <title>Library of Babel (org-mode)</title>
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     19 <h1 class="title">Library of Babel (org-mode)</h1>
     20 </header><p>
     21 This is my <a href="org_mode.html">org-mode</a> <a href="https://orgmode.org/manual/Library-of-Babel.html">Library of Babel</a>.
     22 </p>
     23 <section id="outline-container-File%20I%2FO" class="outline-2">
     24 <h2 id="File%20I%2FO">File I/O</h2>
     25 <div class="outline-text-2" id="text-File%20I%2FO">
     26 </div>
     27 <div id="outline-container-Reading%20and%20writing%20files" class="outline-3">
     28 <h3 id="Reading%20and%20writing%20files">Reading and writing files</h3>
     29 <div class="outline-text-3" id="text-Reading%20and%20writing%20files">
     30 <p>
     31 Read the contents of the file at <code>file</code>.  The <code>:results vector</code> and
     32 <code>:results scalar</code> header arguments can be used to read the contents of
     33 file as either a table or a string.
     34 </p>
     35 
     36 <div class="org-src-container">
     37 <pre class="src src-emacs-lisp" id="org3a5f35f">(if (string= format "csv")
     38     (with-temp-buffer
     39       (org-table-import (expand-file-name file) nil)
     40       (org-table-to-lisp))
     41   (with-temp-buffer
     42     (insert-file-contents (expand-file-name file))
     43     (buffer-string)))
     44 </pre>
     45 </div>
     46 
     47 <p>
     48 Write <code>data</code> to a file at <code>file</code>.  If <code>data</code> is a list, then write it
     49 as a table in traditional Org-mode table syntax.
     50 </p>
     51 
     52 <div class="org-src-container">
     53 <pre class="src src-emacs-lisp" id="orgcff07ff">(flet ((echo (r) (if (stringp r) r (format "%S" r))))
     54   (with-temp-file file
     55     (case (and (listp data)
     56                (or ext (intern (file-name-extension file))))
     57       ('tsv (insert (orgtbl-to-tsv data '(:fmt echo))))
     58       ('csv (insert (orgtbl-to-csv data '(:fmt echo))))
     59       (t    (org-babel-insert-result data)))))
     60 nil
     61 </pre>
     62 </div>
     63 </div>
     64 </div>
     65 </section>
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