%!ps-nonconforming % filter to decode ascii85-encoded stuff % pipe through: gs -q -dBATCH -sDEVICE=nullpage ascii85decode (%stdin) (r) file /input exch def 1024 string /buffer exch def input /ASCII85Decode filter {dup buffer readstring exch dup length 0 gt {print} {pop} ifelse not {exit} if} loop