/usr/bin/kwnmz is in namazu2-index-tools 2.0.21-21.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 | #! /usr/bin/perl -w
# -*- Perl -*-
#
# $Id: kwnmz.in,v 1.4.8.3 2005-09-24 12:25:07 opengl2772 Exp $
#
# kwnmz - program to make NMZ.field.keywords
# by furukawa@tcp-ip.or.jp
# modified by osamu2001@livedoor.com
# Copyright (C) 2001-2005 Namazu Project All rights reserved.
# This is free software with ABSOLUTELY NO WARRANTY.
#
# 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 versions 2, 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
#
# This file must be encoded in EUC-JP encoding
#
use strict;
my $PKGDATADIR = $ENV{'pkgdatadir'} || "/usr/share/namazu";
push(@INC, $PKGDATADIR . "/pl");
require 'nmzidx.pl';
my $rate = 0.5;
my $num = 10;
my $len = 16;
my $e_pat = undef;
my $e_flag = undef;
my $j_pat = undef;
my $j_flag = undef;
my $backup = 1;
my $meta = 1;
my @tfidf;
while (@ARGV && $ARGV[0] =~ s/^\-//){
my $argv = shift;
&usage, exit if $argv eq '-help';
$backup = 0, next if $argv eq '-no-backup';
$meta = 0, next if $argv eq '-no-meta';
while ($argv =~ s/^(.)//){
$len = ($argv eq '')? shift: $argv, last if $1 eq 'l';
$rate = ($argv eq '')? shift: $argv, last if $1 eq 'r';
$num = ($argv eq '')? shift: $argv, last if $1 eq 'n';
$e_pat = ($argv eq '')? shift: $argv, last if $1 eq 'e';
$e_pat = '/^[\da-z_]{3}/' if $1 eq 'E';
$j_pat = ($argv eq '')? shift: $argv, last if $1 eq 'j';
$j_pat = '/(^(\xa5.){3})|(^([\xb0-\xf4].){2})/' if $1 eq 'J';
$backup = 0 if $1 eq 'b';
$meta = 0 if $1 eq 'm';
}
}
if (defined $e_pat){
$e_flag = ($e_pat =~ s/^\!\/(.*)\/$/$1/);
$e_pat =~ s/^\/(.*)\/$/$1/;
}
if (defined $j_pat){
$j_flag = ($j_pat =~ s/^\!\/(.*)\/$/$1/);
$j_pat =~ s/^\/(.*)\/$/$1/;
}
if (@ARGV){
for my $argv (@ARGV){
$argv =~ s/NMZ$// unless -d $argv;
$argv = '.' if $argv eq '';
&kwnmz($argv, $num, $rate, \&judge, $meta, $backup);
}
}else{
&kwnmz('.', $num, $rate, \&judge, $meta, $backup);
}
sub judge{
my $word = shift;
return 0 unless $len > length $word;
if (0x80 & ord $word){
return 1 unless defined $j_pat;
return ($word =~ /$j_pat/ xor $j_flag);
}else{
return 1 unless defined $e_pat;
return ($word =~ /$e_pat/ xor $e_flag);
}
}
sub kwnmz{
my($dir, $num, $rate, $judge, $meta, $backup) = @_;
$num = 10 unless defined $num;
$rate = 0.5 unless defined $rate;
my %table = ();
if (! -f "$dir/NMZ.i") {
print "Cannot open index. : $dir\n";
return;
}
my $nmzi = new nmzidx($dir, 'r');
defined($nmzi) or die("NMZ.lock2 found. Maybe this index is being updated by another process now.");
my $nmzo = new nmzidx($dir, 'w');
{
my $word;
my %list_i;
my $word_number = 0;
my $word_hit_number = 0;
my $number_of_document = $nmzi->open_flist->{'size'};
my $lim = $number_of_document * $rate;
my $wh = $nmzi->open_word;
exit 1 unless $wh->{'size'};
while (defined $wh->read(\$word, \%list_i)){
print "$word_hit_number/$word_number\n" unless ++$word_number % 10000;
next if defined($judge) && !&$judge($word);
my $hit = scalar keys %list_i;
# a term hitting too much doesn't help for narrowing a search
next if $lim && $hit > $lim;
# a term hitting only once doesn't help for
# extracting related documents because there are
# no documents containing this term.
next if $hit <= 1;
++$word_hit_number;
$hit = log($number_of_document/$hit);
for my $fileno (keys %list_i){
$tfidf[$fileno]{$word} = $list_i{$fileno} * $hit;
if (scalar(keys %{$tfidf[$fileno]}) > ($num << 1)){
my @sorted_words = sort{
$tfidf[$fileno]->{$b} <=> $tfidf[$fileno]->{$a}
or $a cmp $b} keys %{$tfidf[$fileno]};
for my $i ($num..$#sorted_words){
delete $tfidf[$fileno]{$sorted_words[$i]};
}
}
}
}
}
print "NMZ.w search finished!\n";
{
my $fi;
my $fo = $nmzo->open_field('keywords');
$fi = $nmzi->open_field('keywords') if $meta;
for my $tmp (@tfidf){
my $keywords;
$keywords = $fi->{'keywords'}->getline if defined $fi->{'keywords'};
if (!defined($keywords) || $keywords =~ /^ /){
my $cnt = 0;
$keywords = '';
for my $word (sort {$tmp->{$b} <=> $tmp->{$a} or $a cmp $b} keys %$tmp){
$keywords .= " $word";
last unless ++$cnt < $num;
}
$keywords .= "\n";
}
$fo->{'keywords'}->putline($keywords);
}
}
$nmzo->replace_db($backup);
$nmzi->close;
}
sub usage{
print
("Usage: kwnmz [options] <target(s)>\n" .
" --help show this help and exit.\n" .
" -b, --no-backup do not backup original file.\n" .
" -m, --no-meta do not protect meta tag field.\n" .
" -n num number of keyword per file. (default: 10)\n" .
"\n" .
" -l MAX_LENGTH set MAX_LENGTH of valid word. (default: 16)\n" .
" -r MAX_RATE set MAX_RATE (hit/total). (default: 0.5)\n" .
"\n" .
" -e PATTERN set PATTERN for ascii words which should be allowed.\n" .
" -E same as '-e /^[\\da-z_]{3}/'\n" .
" -j PATTERN set PATTERN for non-ascii words which should be allowed.\n" .
" -J same as '-j /(^(\\xa5.){3})|(^([\\xb0-\\xf4].){2})/'\n"
);
}
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