count.pl takes as input one or more text files and calculate the ngram frequency for the whole corpus.
See perldoc README.pod
Satanjeev Banerjee, email@example.com
Ted Pedersen, firstname.lastname@example.org
home page: http://www.d.umn.edu/~tpederse/nsp.html mailing list: http://groups.yahoo.com/group/ngram/
Copyright (C) 2000-2003, Ted Pedersen and Satanjeev Banerjee
This program 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. This program 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 this program; if not, write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.