baby.lisp

In our household, a baby just ain't a baby without an appropriately geeky birth announcement. And since Nick is mostly functional - I mean, he can't exactly type yet - this one is in Lisp. Share and enjoy!

; This program forks().  That should be plenty for a few years' entertainment
; Copyright (C) 2007 Kirk & Jennifer Strauser

; This program is free software: you can redistribute it and/or modify
; it under the terms of the GNU General Public License as published by
; the Free Software Foundation, either version 3 of the License, or
; (at your option) any later version.

; However, the output of this particular instance shall remain
; exclusively licensed to the authors for a period of up to eighteen
; years.

; $Id: baby.lisp 4 2007-09-05 23:18:12Z kirk $


(require :sb-posix)

(defvar *birthtime* (encode-universal-time 0 20 1 1 9 2007))

(defvar *age* (- (get-universal-time) *birthtime*))

(defun hello ()
  (format t "Hello, world!  My name is Nicholas Arthur Strauser and this is ~
my ~:r day!~%" (ceiling (/ *age* 86400))))

(defun labor ()
  (cond
   ((zerop (sb-posix:fork)) (format t "Ouch!~%"))
   (t (hello))))

(defun wait ()
  (cond
   ((< *age* 0)
    (sleep (- *age*))
    (setf *age* 0)
    (labor))
   (t (hello))))

(wait)