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/home/your-username/code/
  ├── scheme/
      ├── library/
      │     └── send-message.scm
      └── plug-ins/
            └── hello-world/
                  └── hello-world.scm

;; Function to handle message output to various destinations
(define (send-message message output)
  (cond
    ;; Send to the Error Console
    ((eq? output 'error-console)
       ;; Set the handler to Error Console
       (lumi-message-set-handler 2)
       (lumi-message message))

    ;; Send to the GUI dialog box
    ((eq? output 'gui)
       ;; Set the handler to GUI dialog
       (lumi-message-set-handler 0)
       (lumi-message message))

    ;; Send to the terminal window
    ((eq? output 'terminal)
       ;; Terminal output is handled with display
       (display message)))

  ;; Restore the default message handler to the Error Console
  (lumi-message-set-handler 2))

# !/usr/bin/env lumi-scheme-interpreter-0.1

(load "/home/mark/code/github/script-plugins/funky-library/send-message.scm")

(define (scheme-hello-world)
  (let ((message "Hello world!\n"))
    (send-message message 'gui)
    (send-message message 'error-console)
    (send-message message 'terminal)))

(scheme-register-procedure "scheme-hello-world"
  "Hello world!"
  "A Scheme procedure plug-in refactored"
  "Mark Sweeney"
  "Under GNU GENERAL PUBLIC LICENSE Version 3"
  "2024")

(scheme-menu-register
  "scheme-hello-world"
  "<Image>/Funky")