This file is indexed.

/usr/bin/gcnmz is in namazu2-index-tools 2.0.21-9.

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
#! /usr/bin/perl -w
# -*- Perl -*-
#
# $Id: gcnmz.in,v 1.8.8.5 2006-10-14 14:16:27 opengl2772 Exp $
#
# gcnmz.pl - by furukawa@tcp-ip.or.jp
#

my $PKGDATADIR = $ENV{'pkgdatadir'} || "/usr/share/namazu";
push(@INC, $PKGDATADIR . "/pl");
require 'nmzidx.pl';
require 'util.pl';

use IO::File;
STDOUT->autoflush(1);
STDERR->autoflush(1);

my $tim = time();
my $tintvl = 10;
my $verbose = 0;
my $backup = 1;

while (@ARGV && $ARGV[0] =~ s/^\-//){
    my $argv = shift;

    &usage, exit if $argv eq '-help';
    $backup = 0, next if $argv eq '-no-backup';
    $verbose = 1, next if $argv eq '-verbose';
    $verbose = -1, next if $argv eq '-quiet';

    while ($argv =~ s/^(.)//){
        $backup = 0 if $1 eq 'b';
        $verbose = 1 if $1 eq 'v';
        $verbose = -1 if $1 eq 'q';
    }
}

if (@ARGV){
    for my $argv (@ARGV){
        $argv =~ s/NMZ$// unless -d $argv;
        $argv = '.' if $argv eq '';
        &gcnmz($argv, $backup) if -d $argv;
    }
}else{
    &usage;
}

sub eprint{
    print STDERR $_[0] if $verbose >= 0;
    $tim = time();
}

sub veprint{
    print STDERR $_[0] if $verbose > 0;
    $tim = time();
}

sub gcnmz{
    my $dir = shift;
    my $backup = shift;
    my %table = ();
    my $nmzi = new nmzidx($dir);
    defined($nmzi) or die("NMZ.lock2 found. Maybe this index is being updated by another process now.");

    my $nmzfi = $nmzi->open_flist;
    unless (defined $nmzfi->{'t'}) {
        $nmzfi->close;
        $nmzi->close;
        return;
    }

    my $gcflag = 0;
    my $nmzo = new nmzidx($dir, 'w');

    my $file_num = 0;
    my %list;
    my $nmzfo = $nmzo->open_flist;
    my $file_total = $nmzfi->{'size'};
    &eprint("processing NMZ.{t,r,field}\n");
    while (defined $nmzfi->read(\%list)){
        if ($list{'t'} == -1){
            &eprint("$file_num/$file_total ($list{'r'}) deleted\n");
            $gcflag = 1;
        }else{
            $table{$file_num} = $nmzfo->{'offset'};
            $nmzfo->write(\%list);
            &veprint("$file_num/$file_total\n") if time() - $tim >= $tintvl;
        }
        ++$file_num;
    }
    $nmzfi->close;
    $nmzfo->close;

    if ($gcflag){
        my $word;
        my %list_i;

        my $nmzwi = $nmzi->open_word;
        my $nmzwo = $nmzo->open_word;
        my $word_total = $nmzwi->{'size'};
        my $word_num = 0;
        &eprint("processing NMZ.{i,w}\n");
        while (defined $nmzwi->read(\$word, \%list_i)){
            my %list_o;
            for my $key (keys %list_i){
                if (defined $table{$key}){
                    $list_o{$table{$key}} = $list_i{$key};
                }
            }
            if (keys %list_o){
                $nmzwo->write($word, \%list_o);
                &veprint("$word_num/$word_total\n") if time() - $tim >= $tintvl;
            }else{
                &eprint("$word_num/$word_total ($word) deleted\n");
            }
            $word_num++;
        }
        $nmzwi->close;
        $nmzwo->close;

        my $nmzpi = $nmzi->open_phrase;
        my $nmzpo = $nmzo->open_phrase;
        my $phrase_total = $nmzpi->{'size'};
        &eprint("processing NMZ.p\n");
        for (my $x = 0; $x < 0x10000; $x++){
            my @list_i;
            my @list_o;
            $nmzpi->read(\@list_i);
            for my $key (@list_i){
                if (defined $table{$key}){
                    push(@list_o, $table{$key});
                }
            }
            if (@list_i && !@list_o){
                &eprint("$x/$phrase_total deleted\n");
            }elsif (time() - $tim >= $tintvl){
                &veprint("$x/$phrase_total\n");
            }
            $nmzpo->write(\@list_o);
        }
        $nmzpi->close;
        $nmzpo->close;

        $nmzo->write_status($nmzi);
        $nmzo->replace_db($backup);
        if (my $log = $nmzo->log_open("[Garbage Collection]")){
            $log->printf("%-20s %s\n", "Collected Entry:", util::commas($nmzi->{'flist'}->{'offset'} - $nmzo->{'flist'}->{'offset'}));
            $log->printf("%-20s %s\n", "Total Files:", util::commas($nmzo->{'flist'}->{'offset'}));
            $log->printf("%-20s %s\n", "Total Keywords:", util::commas($nmzo->{'word'}->{'offset'}));
            $nmzo->log_close;
        }
    }else{
        $nmzo->remove_tmpdb;
    }
    $nmzi->close;
}

sub usage{
    print
        ("Usage: gcnmz [options] <target>...\n" .
         "  --help              show this help and exit.\n" .
         "  -b, --no-backup     do not backup original file.\n" .
         "  -v, --verbose       verbose mode.\n" .
         "  -q, --quiet         quiet mode.\n"
         );
}