#!/usr/local/bin/clisp -ansi -q -E utf-8
;;;; -*- mode:lisp; coding:utf-8 -*-

(setf *read-base* 16.)
(loop
   :with buffer = (make-array 8 :element-type '(unsigned-byte 8)  :fill-pointer 0 :adjustable t)
   :for byte = (read *standard-input* nil nil)
   :while  byte
   :do (vector-push-extend byte buffer (* 2 (length buffer)))
   :finally (with-open-file (out "binary"
                                 :direction :output
                                 :element-type '(unsigned-byte 8)
                                 :if-does-not-exist :create
                                 :if-exists :supersede)
              (write-sequence buffer out)
              (format t "Written ~D bytes to ~S~%" (file-length out) (namestring out))))

;;;; THE END ;;;;