Re: Export tables as matrices (change tbl-export function on the fly)

[Rasmus <rasmus@gmx.us>]

Nicolas Goaziou <n.goaziou@gmail.com> writes:

> Hello,
>
> Rasmus <rasmus@gmx.us> writes:
>
>> I'm doing some stuff where the natural output of my tables are
>> matrices.  I found a decent translation function here ¹.  However,
>> I'm not very successful in making org use it. 
>
> Using the new exporter, something like should replace any table using
> default environment (i.e. no special attribute) and without horizontal
> rules with bmatrix environment. It should also insert it in math mode
> automatically.

this one seems to work better for me, but might be more ugly . . .

#+begin_src emacs-lisp

(defun my-latex-table-to-matrix (table backend info)
  (when (and (memq backend '(e-latex e-beamer))
             (not (string-match "\\\\^[A-Za-z]+$"  table))
             (not (string-match "\\begin{\\(table*\\|sidewaystable\\)}" table)))
    (let ((default-env (format "\\\\\\(begin\\|end\\){\\(%s\\)}.*"
                               org-e-latex-default-table-environment)))
      (when (string-match default-env table)
        (concat "\\[\n"
                (org-trim
		 (replace-regexp-in-string "\n\n" "\n"
                 (replace-regexp-in-string
                  "\\\\\\(begin\\|end\\){\\(center\\|table\\)}\\|\\\\toprule\\|\\\\bottomrule\\|\[[htbH]+?\]" ""
                  (replace-regexp-in-string
                   default-env "\\\\\\1{bmatrix}" table))))
                "\n\\]\n")))))
(add-to-list 'org-export-filter-table-functions 'my-latex-table-to-matrix)

#+end_src


-- 
Dung makes an excellent fertilizer