Add example script

examples.org

@@ -15,3 +15,5 @@ This uses the example in the readme file, but maps across the elements returned
   ;;=> (("Electric bill" "Thu 23 Aug 2018 12:00:00 AM CDT")
   ;;    ("Rent" "Sat 01 Sep 2018 08:00:00 PM CDT"))
 #+END_SRC
+
+This could also be put in a script, which could use desktop notifications to remind of bills coming due: [[examples/org-bills-due.el][org-bills-due.el]].

examples/org-bills-due.el

@@ -0,0 +1,54 @@
+;;; org-bills-due.el
+
+;;;; Initialize package system
+
+(require 'package)
+(setq package-archives '(("gnu" . "https://elpa.gnu.org/packages/")
+                         ("melpa" . "https://melpa.org/packages/")))
+(package-initialize)
+
+;; Set load-path, loading org-ql from ~/src/emacs/org-ql (adjust as necessary)
+(setq load-path (append (list "~/src/emacs/org-ql"
+                              "~/.emacs.d/load-path")
+                        load-path))
+
+;;;; Load packages
+
+;; Built-in
+(require 'cl-lib)
+(require 'subr-x)
+
+(require 'org)
+(require 'org-habit)
+(require 'org-agenda)
+
+;; From MELPA
+(require 'dash)
+(require 'dash-functional)
+(require 's)
+
+;; org-ql
+(require 'org-ql)
+(require 'org-ql-agenda)
+
+;;;; Main
+
+(-if-let* ((header "Bills due within 3 days")
+           (items (org-ql "~/org/main.org"
+                    (and (deadline <= (+ 3 today))
+                         (tags "bills"))
+                    :action (org-get-heading 'no-tags 'no-todo)))
+           (string (concat "<ul>"
+                           (s-join ""
+                                   (--map (concat "<li>" it "</li>")
+                                          items))
+                           "</ul>")))
+    (progn
+      ;; Send notification
+      (call-process "notify-send" nil 0 nil
+                    (format "<b>%s</b>" header)
+                    string)
+      ;; Also output to STDOUT
+      (princ (format "%s:\n%s" header (s-join "\n" titles))))
+  ;; No bills due
+  (kill-emacs 1))