.TH pnmdestega 1 "3 March 1994" .IX pnmdestega .SH NAME pnmdestega - extract a steganographic message from a portable anymap .SH SYNOPSIS .B pnmdestega .RB [ -[no]length ] .RB [ -seed .IR n ] .RB [ -components .IR rgb ] .RI [ pnmfile ] .SH DESCRIPTION Reads a portable anymap as input. Extracts a message from the low-order bits of each pixel, and writes the message to standard output. See the pnmstega man page for theory, details, and options. .SH "SEE ALSO" pnmstega(1), pbmplus(1) .SH AUTHOR Copyright (C) 1994 by Jef Poskanzer. .\" Permission to use, copy, modify, and distribute this software and its .\" documentation for any purpose and without fee is hereby granted, provided .\" that the above copyright notice appear in all copies and that both that .\" copyright notice and this permission notice appear in supporting .\" documentation. This software is provided "as is" without express or .\" implied warranty.