Copy lines, shows progress
# $Header: /CVSROOT/count/DESCRIPTION,v 1.1 2009-03-24 02:24:40 tino Exp $
#
# $Log: DESCRIPTION,v $
# Revision 1.1  2009-03-24 02:24:40  tino
# First version
#

This is something in between 'cat' and 'wc -l'.

It copies lines which are '\n' or NUL terminated or blocks from
STDIN to STDOUT and writes the progress to STDERR.  Several
options change the way, the progress is shown.