#!/usr/bin/perl -w -s

use Lingua::PT::PLN;

our($log);

my $file;
my $dfile = 0;
if (@ARGV) {
	$file = shift;
} else {
	$file = "/tmp/_$$";
	open F, ">$file" or die "Can't create temporary file: $!";
	print F while <>;
	close F;
	$dfile = 1;
}

my %ops=();
$ops{log}=$log if $log;

my %o = oco({%ops},$file);

for (sort { $o{$b}<=>$o{$a} } keys %o) {
  printf("%20s %d\n",$_,$o{$_});
}

unlink $file if $dfile;


=head1 NAME


occurrences - Calculate a histogram of word occurrences count

=head1 SYNOPSIS

   occurrences <file>

=head1 DESCRIPTION

This script count different words and prints a final report ordered by
word count.

=head1 SEE ALSO

Lingua::PT::PLN

=head1 AUTHOR

Alberto Manuel Brandão Simões, E<lt>ambs@cpan.orgE<gt>

=head1 COPYRIGHT AND LICENSE

Copyright (C) 2008 by Projecto Natura

=cut