Note: This is taken from the Chicken Wiki, where a more recent version could be available.
Split a stream into sections according to caller-defined criteria and do useful things with the results.
Copyright © 2006 Alejandro Forero Cuervo <firstname.lastname@example.org>
The stream-sections egg 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 2 of the License, or (at your option) any later version.
The stream-sections egg is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with the stream-sections egg; if not, write to the Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.