encode.ps, by Allen Braunsdorf (ab@mentor.cc.purdue.edu) is a utility.
You must run it interactive through a previewer.

  MOST USEFUL -- 1st prize
  -- The most useful, yet complex and twisted, program.

The program is pretty straightforward, here's how to use it:

	abdict begin
	(encode.ps) (r) file encodefile

Compare the output you get with encoded.ps.

You can replace encode.ps with any simple PostScript program.
Try lots of simple moveto's and lineto's.