How to do X with Emacs Org-Mode

pdfnup --nup 4x4 --no-landscape foo.pdf
# creates foo-nup.pdf

;; KDE: show custom agenda with kanban via f12:
(with-eval-after-load 'org
  (setq org-agenda-custom-commands
        '(("o" "Agenda and TODOs"
           ((agenda)
            (tags-todo "-notodo-TERMIN" ((org-agenda-block-separator ?-)))
                (tags "KANBAN" ((org-agenda-block-separator ?-)
                            (org-agenda-compact-blocks nil)
                            (org-agenda-overriding-header ""))))))))

;; from https://www.emacswiki.org/emacs/TransposeWindows solution by Robert Bost
(defun rotate-windows (arg)
  "Rotate your windows; with prefix argument to rotate the other direction"
  (interactive "P")
  (if (not (> (count-windows) 1))
      (message "You can't rotate a single window!")
    (let* ((rotate-times (prefix-numeric-value arg))
           (direction (if (or (< rotate-times 0) (equal arg '(4)))
                          'reverse 'identity)))
      (dotimes (_ (abs rotate-times))
        (dotimes (i (- (count-windows) 1))
          (let* ((w1 (elt (funcall direction (window-list)) i))
                 (w2 (elt (funcall direction (window-list)) (+ i 1)))
                 (b1 (window-buffer w1))
                 (b2 (window-buffer w2))
                 (s1 (window-start w1))
                 (s2 (window-start w2))
                 (p1 (window-point w1))
                 (p2 (window-point w2)))
            (set-window-buffer-start-and-point w1 b2 s2 p2)
            (set-window-buffer-start-and-point w2 b1 s1 p1)))))))

(defun my/org-agenda-show-kanban ()
  (interactive)
  (save-excursion
    (search-forward ":KANBAN:")
    (org-agenda-goto)
    (org-narrow-to-subtree)
    (show-all)
    (fit-window-to-buffer)
    (widen)
    (recenter-top-bottom 0)))

(defun agenda-and-todo ()
  (interactive)
  (org-agenda nil "o")
  (delete-other-windows)
  (my/org-agenda-show-kanban)
  (rotate-windows 1))
;;      systemsettings shortcuts: map f12 to
;;        emacsclient -e '(progn (show-frame)(agenda-and-todo))'
(global-set-key (kbd "<f12>") 'agenda-and-todo)

#+STARTUP: overview
# TAG TERMIN is excluded from the Kanban table
#+TAGS: WOHNUNG(w) RAUS(r) SONST(s) LESEN(l) KANBAN(k) 1w6(1) FAMILIE(f) TERMIN(t)
#+STARTUP: hidestars logdone
#+SEQ_TODO: ❢ ☯ ⧖ | ✔ DEFERRED
# logdone adds a DONE timestamp when switching from a TODO (before |)
# to a DONE keyword (after |)
# State with (!) behind it means, add a timestamp when switching to that.
# See http://orgmode.org/manual/Tracking-TODO-state-changes.html

|   |   |   |
|---+---+---|
|   |   |   |
|   |   |   |
|   |   |   |
#+TBLFM: @1='(kanban-headers $#)::@2$1..@>$>='(kanban-zero @# $# "-TERMIN" 'file)

;; KDE: update all agenda kanban tables with C-S-f12 (ctrl-shift f12)
(defun kanban-update-all ()
  (interactive)
  (cl-loop for i in org-agenda-files do
           (with-current-buffer (find-file-noselect i)
             (save-excursion ;; avoid changing the position in the agenda files
               (beginning-of-buffer)
               (while (search-forward "='(kanban-" nil t)
                 (org-ctrl-c-ctrl-c))))))
;;      systemsettings shortcuts: map control shift f12 to
;;        emacsclient -e '(progn (show-frame)(kanban-update-all))'
(global-set-key (kbd "C-S-<f12>") 'kanban-update-all)

# http://gnuplot.sourceforge.net/demo_5.1/gantt.html
OneMonth = strptime("%m","2")
OneWeek = strptime("%U","2")
OneDay = strptime("%d","2")
timeformat = "%Y-%m-%d %a"
T(N) = timecolumn(N,timeformat)

set xdata time
set format x "%a\n%d\n%b\n'%y"
set xtics OneDay nomirror
set xtics scale 2, 0.5
set mxtics 7

skiptorow=2
set yrange [(skiptorow-2):] reverse
set ytics nomirror

unset key
set title "{/=15 My Project}"
set grid x y
set border 3
set style arrow 1 nohead filled size screen 0.02, 15 fixed lt 3 lw 8

plot DATA using (T(3)) : ($0) : (T(4)-T(3)) : (0.0) : yticlabel(1) with vector as 1

(org-babel-do-load-languages
 'org-babel-load-languages
 '((gnuplot . t)))

(require 'ox-md)
#+begin_export markdown
# foo
__bar__
#+end_export
#+begin_export latex
\section{foo}
\textbf{bar}
#+end_export
*bar*

emacs -nw -e org-capture

(org-agenda-clockreport-parameter-plist
 (quote (:link t :maxlevel 2 :properties ("Effort"))))

(org-columns-default-format
   "%25ITEM %TODO %3PRIORITY %TAGS %17Effort(Estimated Effort){:} %CLOCKSUM")

#+name: ledger-to-table
#+begin_src elisp :var data=""
(concat "#+name: ledger-results\n"
          data
          "#+tblfm: \n"))
#+end_src

#+header: :post ledger-to-table(*this*)
#+header: :cmdline reg -D --register-format "| [%(format_date(date)) %(payee)] | %(display_account) | %(display_amount) | %(display_total) | \n" --wide --date-format %Y-%m-%d
#+begin_src ledger :results raw
2022-06-15 * py2guile
    Assets:epubli             3.13€
    Income:epubli
#+end_src

(concat "#+name: ledger-results\n"
          data
          "#+tblfm: \n"))

2022-06-15 * py2guile
    Assets:epubli             3.13€
    Income:epubli

#+header: :post ledger-to-table(*this*)
#+header: :cmdline bal --wide --date-format %Y-%m-%d --flat --balance-format "| %(partial_account) | %(display_total) | \n" 
#+begin_src ledger :exports both :noweb no-export :results raw 
{{{ledger-data}}}
#+end_src

{{{ledger-data}}}

# Local Variables:
# org-confirm-babel-evaluate: nil
# org-babel-noweb-wrap-start: "{{{"
# org-babel-noweb-wrap-end: "}}}"
# End:

#+latex: \vfill

#+latex_header: \usepackage[ngerman]{babel} % for German-formatted dates
#+latex: \newcommand{\pA}{THE NAME 1}
#+latex: \newcommand{\dA}{\today}
#+latex: \newcommand{\lA}{LOCATION}

#+latex: \newcommand{\pB}{THE NAME 2}
#+latex: \newcommand{\dB}{\today}
#+latex: \newcommand{\lB}{LOCATION}

| @@latex:\pA@@                       | @@latex:\hspace{1cm}@@ | @@latex:\pB@@                       |
|                                     |                        |                                     |
| @@latex:\underline{\phantom{\pA}}@@ |                        | @@latex:\underline{\phantom{\pB}}@@ |
| @@latex:\tiny \dA, \lA@@            |                        | @@latex:\tiny \dB, \lB@@            |