Annotation of loncom/metadata_database/searchcat.pl, revision 1.50
1.1 harris41 1: #!/usr/bin/perl
2: # The LearningOnline Network
3: # searchcat.pl "Search Catalog" batch script
1.16 harris41 4: #
1.50 ! www 5: # $Id: searchcat.pl,v 1.49 2003/12/25 15:20:00 www Exp $
1.16 harris41 6: #
7: # Copyright Michigan State University Board of Trustees
8: #
1.29 albertel 9: # This file is part of the LearningOnline Network with CAPA (LON-CAPA).
1.16 harris41 10: #
1.29 albertel 11: # LON-CAPA is free software; you can redistribute it and/or modify
1.16 harris41 12: # it under the terms of the GNU General Public License as published by
13: # the Free Software Foundation; either version 2 of the License, or
14: # (at your option) any later version.
15: #
1.29 albertel 16: # LON-CAPA is distributed in the hope that it will be useful,
1.16 harris41 17: # but WITHOUT ANY WARRANTY; without even the implied warranty of
18: # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19: # GNU General Public License for more details.
20: #
21: # You should have received a copy of the GNU General Public License
1.29 albertel 22: # along with LON-CAPA; if not, write to the Free Software
1.16 harris41 23: # Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24: #
25: # /home/httpd/html/adm/gpl.txt
26: #
1.29 albertel 27: # http://www.lon-capa.org/
1.16 harris41 28: #
29: ###
1.33 matthew 30:
1.32 www 31: =pod
1.1 harris41 32:
1.32 www 33: =head1 NAME
34:
35: B<searchcat.pl> - put authoritative filesystem data into sql database.
36:
37: =head1 SYNOPSIS
38:
39: Ordinarily this script is to be called from a loncapa cron job
40: (CVS source location: F<loncapa/loncom/cron/loncapa>; typical
41: filesystem installation location: F</etc/cron.d/loncapa>).
42:
43: Here is the cron job entry.
44:
45: C<# Repopulate and refresh the metadata database used for the search catalog.>
46: C<10 1 * * 7 www /home/httpd/perl/searchcat.pl>
47:
48: This script only allows itself to be run as the user C<www>.
49:
50: =head1 DESCRIPTION
51:
52: This script goes through a loncapa resource directory and gathers metadata.
53: The metadata is entered into a SQL database.
54:
55: This script also does general database maintenance such as reformatting
56: the C<loncapa:metadata> table if it is deprecated.
57:
58: This script evaluates dynamic metadata from the authors'
1.48 www 59: F<nohist_resevaldata.db> database file in order to store it in MySQL.
1.32 www 60:
61: This script is playing an increasingly important role for a loncapa
62: library server. The proper operation of this script is critical for a smooth
63: and correct user experience.
64:
65: =cut
1.1 harris41 66:
1.45 www 67: use strict;
68:
1.17 harris41 69: use lib '/home/httpd/lib/perl/';
70: use LONCAPA::Configuration;
71:
1.1 harris41 72: use IO::File;
73: use HTML::TokeParser;
1.6 harris41 74: use DBI;
1.21 www 75: use GDBM_File;
1.24 www 76: use POSIX qw(strftime mktime);
1.1 harris41 77:
1.45 www 78: require "find.pl";
79:
1.1 harris41 80: my @metalist;
1.21 www 81:
1.45 www 82: my $simplestatus='';
1.38 www 83: my %countext=();
1.36 www 84:
1.45 www 85: # ----------------------------------------------------- write out simple status
1.36 www 86: sub writesimple {
87: open(SMP,'>/home/httpd/html/lon-status/mysql.txt');
88: print SMP $simplestatus."\n";
89: close(SMP);
90: }
1.28 harris41 91:
1.38 www 92: sub writecount {
93: open(RSMP,'>/home/httpd/html/lon-status/rescount.txt');
94: foreach (keys %countext) {
95: print RSMP $_.'='.$countext{$_}.'&';
96: }
97: print RSMP 'time='.time."\n";
98: close(RSMP);
99: }
100:
1.45 www 101: # -------------------------------------- counts files with different extensions
1.38 www 102: sub count {
103: my $file=shift;
104: $file=~/\.(\w+)$/;
105: my $ext=lc($1);
106: if (defined($countext{$ext})) {
107: $countext{$ext}++;
108: } else {
109: $countext{$ext}=1;
110: }
111: }
1.31 harris41 112: # ----------------------------------------------------- Un-Escape Special Chars
1.28 harris41 113:
1.31 harris41 114: sub unescape {
115: my $str=shift;
1.21 www 116: $str =~ s/%([a-fA-F0-9][a-fA-F0-9])/pack("C",hex($1))/eg;
1.31 harris41 117: return $str;
118: }
1.21 www 119:
1.31 harris41 120: # -------------------------------------------------------- Escape Special Chars
1.22 www 121:
1.31 harris41 122: sub escape {
123: my $str=shift;
1.22 www 124: $str =~ s/(\W)/"%".unpack('H2',$1)/eg;
1.31 harris41 125: return $str;
126: }
1.28 harris41 127:
1.31 harris41 128: # ------------------------------------------- Code to evaluate dynamic metadata
1.28 harris41 129:
1.31 harris41 130: sub dynamicmeta {
1.30 www 131: my $url=&declutter(shift);
132: $url=~s/\.meta$//;
1.48 www 133: my %returnhash=(
134: 'count' => 0,
135: 'course' => 0,
136: 'course_list' => '',
1.49 www 137: 'avetries' => 'NULL',
1.48 www 138: 'avetries_list' => '',
139: 'stdno' => 0,
140: 'stdno_list' => '',
141: 'usage' => 0,
142: 'usage_list' => '',
143: 'goto' => 0,
144: 'goto_list' => '',
145: 'comefrom' => 0,
146: 'comefrom_list' => '',
1.49 www 147: 'difficulty' => 'NULL',
148: 'difficulty_list' => '',
149: 'clear' => 'NULL',
150: 'technical' => 'NULL',
151: 'correct' => 'NULL',
152: 'helpful' => 'NULL',
153: 'depth' => 'NULL',
154: 'comments' => ''
1.48 www 155: );
1.30 www 156: my ($adomain,$aauthor)=($url=~/^(\w+)\/(\w+)\//);
1.31 harris41 157: my $prodir=&propath($adomain,$aauthor);
1.45 www 158:
1.44 www 159: # Get metadata except counts
1.45 www 160: if (tie(my %evaldata,'GDBM_File',
1.44 www 161: $prodir.'/nohist_resevaldata.db',&GDBM_READER(),0640)) {
162: my %sum=();
163: my %cnt=();
164: my %concat=();
165: my %listitems=(
166: 'course' => 'add',
167: 'goto' => 'add',
168: 'comefrom' => 'add',
169: 'avetries' => 'avg',
170: 'stdno' => 'add',
171: 'difficulty' => 'avg',
172: 'clear' => 'avg',
173: 'technical' => 'avg',
174: 'helpful' => 'avg',
175: 'correct' => 'avg',
176: 'depth' => 'avg',
177: 'comments' => 'app',
178: 'usage' => 'cnt'
179: );
180:
181: my $regexp=$url;
182: $regexp=~s/(\W)/\\$1/g;
183: $regexp='___'.$regexp.'___([a-z]+)$';
184: while (my ($esckey,$value)=each %evaldata) {
1.45 www 185: my $key=&unescape($esckey);
1.44 www 186: if ($key=~/$regexp/) {
1.45 www 187: my ($item,$purl,$cat)=split(/___/,$key);
1.44 www 188: if (defined($cnt{$cat})) { $cnt{$cat}++; } else { $cnt{$cat}=1; }
189: unless ($listitems{$cat} eq 'app') {
190: if (defined($sum{$cat})) {
1.50 ! www 191: $sum{$cat}+=&unescape($evaldata{$esckey});
1.44 www 192: $concat{$cat}.=','.$item;
193: } else {
1.50 ! www 194: $sum{$cat}=&unescape($evaldata{$esckey});
1.44 www 195: $concat{$cat}=$item;
196: }
197: } else {
198: if (defined($sum{$cat})) {
1.45 www 199: if ($evaldata{$esckey}=~/\w/) {
1.50 ! www 200: $sum{$cat}.='<hr />'.&unescape($evaldata{$esckey});
1.44 www 201: }
202: } else {
1.50 ! www 203: $sum{$cat}=''.&unescape($evaldata{$esckey});
1.44 www 204: }
205: }
1.35 www 206: }
1.44 www 207: }
208: untie(%evaldata);
1.45 www 209: # transfer gathered data to returnhash, calculate averages where applicable
210: while (my $cat=each(%cnt)) {
1.48 www 211: if ($cnt{$cat} eq 'nan') { next; }
212: if ($sum{$cat} eq 'nan') { next; }
1.45 www 213: if ($listitems{$cat} eq 'avg') {
1.48 www 214: if ($cnt{$cat}) {
215: $returnhash{$cat}=int(($sum{$cat}/$cnt{$cat})*100.0+0.5)/100.0;
216: } else {
217: $returnhash{$cat}='NULL';
218: }
1.45 www 219: } elsif ($listitems{$cat} eq 'cnt') {
220: $returnhash{$cat}=$cnt{$cat};
221: } else {
222: $returnhash{$cat}=$sum{$cat};
223: }
224: $returnhash{$cat.'_list'}=$concat{$cat};
1.44 www 225: }
226: }
227: # get count
1.45 www 228: if (tie(my %evaldata,'GDBM_File',
1.44 www 229: $prodir.'/nohist_accesscount.db',&GDBM_READER(),0640)) {
1.45 www 230: my $escurl=&escape($url);
231: if (! exists($evaldata{$escurl})) {
1.46 www 232: $returnhash{'count'}=0;
1.44 www 233: } else {
1.45 www 234: $returnhash{'count'}=$evaldata{$escurl};
1.44 www 235: }
236: untie %evaldata;
237: }
238: return %returnhash;
1.30 www 239: }
1.35 www 240:
1.31 harris41 241: # --------------- Read loncapa_apache.conf and loncapa.conf and get variables
242: my $perlvarref=LONCAPA::Configuration::read_conf('loncapa.conf');
243: my %perlvar=%{$perlvarref};
1.50 ! www 244: undef $perlvarref;
1.31 harris41 245: delete $perlvar{'lonReceipt'}; # remove since sensitive and not needed
1.28 harris41 246:
1.31 harris41 247: # ------------------------------------- Only run if machine is a library server
248: exit unless $perlvar{'lonRole'} eq 'library';
1.1 harris41 249:
1.31 harris41 250: # ----------------------------- Make sure this process is running from user=www
1.15 harris41 251:
1.31 harris41 252: my $wwwid=getpwnam('www');
253: if ($wwwid!=$<) {
1.45 www 254: my $emailto="$perlvar{'lonAdmEMail'},$perlvar{'lonSysEMail'}";
255: my $subj="LON: $perlvar{'lonHostID'} User ID mismatch";
1.33 matthew 256: system("echo 'User ID mismatch. searchcat.pl must be run as user www.' |\
1.31 harris41 257: mailto $emailto -s '$subj' > /dev/null");
1.33 matthew 258: exit 1;
1.31 harris41 259: }
1.1 harris41 260:
1.27 www 261:
1.31 harris41 262: # ---------------------------------------------------------- We are in business
1.27 www 263:
1.31 harris41 264: open(LOG,'>'.$perlvar{'lonDaemons'}.'/logs/searchcat.log');
265: print LOG '==== Searchcat Run '.localtime()."====\n\n";
1.36 www 266: $simplestatus='time='.time.'&';
1.31 harris41 267: my $dbh;
268: # ------------------------------------- Make sure that database can be accessed
269: {
270: unless (
271: $dbh = DBI->connect("DBI:mysql:loncapa","www",$perlvar{'lonSqlAccess'},{ RaiseError =>0,PrintError=>0})
272: ) {
273: print LOG "Cannot connect to database!\n";
1.36 www 274: $simplestatus.='mysql=defunct';
275: &writesimple();
1.31 harris41 276: exit;
277: }
1.36 www 278:
1.47 www 279: # Make temporary table
280: $dbh->do("DROP TABLE IF EXISTS newmetadata");
281: my $make_metadata_table = "CREATE TABLE IF NOT EXISTS newmetadata (".
1.31 harris41 282: "title TEXT, author TEXT, subject TEXT, url TEXT, keywords TEXT, ".
283: "version TEXT, notes TEXT, abstract TEXT, mime TEXT, language TEXT, ".
284: "creationdate DATETIME, lastrevisiondate DATETIME, owner TEXT, ".
1.50 ! www 285: "copyright TEXT, dependencies TEXT, ".
1.47 www 286: "count INTEGER UNSIGNED, ".
287: "course INTEGER UNSIGNED, course_list TEXT, ".
288: "goto INTEGER UNSIGNED, goto_list TEXT, ".
289: "comefrom INTEGER UNSIGNED, comefrom_list TEXT, ".
1.48 www 290: "sequsage INTEGER UNSIGNED, sequsage_list TEXT, ".
1.47 www 291: "stdno INTEGER UNSIGNED, stdno_list TEXT, ".
292: "avetries FLOAT, avetries_list TEXT, ".
293: "difficulty FLOAT, difficulty_list TEXT, ".
1.49 www 294: "clear FLOAT, technical FLOAT, correct FLOAT, helpful FLOAT, depth FLOAT, ".
295: "comments TEXT, ".
1.47 www 296: "FULLTEXT idx_title (title), ".
1.31 harris41 297: "FULLTEXT idx_author (author), FULLTEXT idx_subject (subject), ".
298: "FULLTEXT idx_url (url), FULLTEXT idx_keywords (keywords), ".
299: "FULLTEXT idx_version (version), FULLTEXT idx_notes (notes), ".
300: "FULLTEXT idx_abstract (abstract), FULLTEXT idx_mime (mime), ".
301: "FULLTEXT idx_language (language), FULLTEXT idx_owner (owner), ".
1.47 www 302: "FULLTEXT idx_copyright (copyright)) ".
303: "TYPE=MyISAM";
1.31 harris41 304: # It would sure be nice to have some logging mechanism.
1.47 www 305: unless ($dbh->do($make_metadata_table)) {
306: print LOG "\nMySQL Error Create: ".$dbh->errstr."\n";
307: die $dbh->errstr;
308: }
1.31 harris41 309: }
1.27 www 310:
1.31 harris41 311: # ------------------------------------------------------------- get .meta files
312: opendir(RESOURCES,"$perlvar{'lonDocRoot'}/res/$perlvar{'lonDefDomain'}");
1.33 matthew 313: my @homeusers = grep {
314: &ishome("$perlvar{'lonDocRoot'}/res/$perlvar{'lonDefDomain'}/$_")
315: } grep {!/^\.\.?$/} readdir(RESOURCES);
1.31 harris41 316: closedir RESOURCES;
1.34 matthew 317:
318: #
319: # Create the statement handlers we need
320:
321: my $insert_sth = $dbh->prepare
1.47 www 322: ("INSERT INTO newmetadata VALUES (".
1.34 matthew 323: "?,". # title
324: "?,". # author
325: "?,". # subject
1.47 www 326: "?,". # declutter url
1.34 matthew 327: "?,". # version
328: "?,". # current
329: "?,". # notes
330: "?,". # abstract
331: "?,". # mime
332: "?,". # language
333: "?,". # creationdate
334: "?,". # revisiondate
335: "?,". # owner
1.47 www 336: "?,". # copyright
1.50 ! www 337: "?,". # dependencies
1.47 www 338: "?,". # count
339: "?,". # course
340: "?,". # course_list
341: "?,". # goto
342: "?,". # goto_list
343: "?,". # comefrom
344: "?,". # comefrom_list
345: "?,". # usage
346: "?,". # usage_list
347: "?,". # stdno
348: "?,". # stdno_list
349: "?,". # avetries
350: "?,". # avetries_list
351: "?,". # difficulty
1.49 www 352: "?,". # difficulty_list
353: "?,". # clear
354: "?,". # technical
355: "?,". # correct
356: "?,". # helpful
357: "?,". # depth
358: "?". # comments
1.48 www 359: ")"
1.34 matthew 360: );
361:
1.31 harris41 362: foreach my $user (@homeusers) {
363: print LOG "\n=== User: ".$user."\n\n";
1.44 www 364:
1.31 harris41 365: my $prodir=&propath($perlvar{'lonDefDomain'},$user);
1.33 matthew 366: # Use find.pl
1.31 harris41 367: undef @metalist;
368: @metalist=();
369: &find("$perlvar{'lonDocRoot'}/res/$perlvar{'lonDefDomain'}/$user");
1.33 matthew 370: # -- process each file to get metadata and put into search catalog SQL
371: # database. Also, check to see if already there.
372: # I could just delete (without searching first), but this works for now.
373: foreach my $m (@metalist) {
374: print LOG "- ".$m."\n";
375: my $ref=&metadata($m);
1.41 www 376: my $m2='/res/'.&declutter($m);
377: $m2=~s/\.meta$//;
1.40 www 378: if ($ref->{'obsolete'}) { print LOG "obsolete\n"; next; }
379: if ($ref->{'copyright'} eq 'private') { print LOG "private\n"; next; }
1.47 www 380: my %dyn=&dynamicmeta($m2);
1.38 www 381: &count($m2);
1.47 www 382: unless ($insert_sth->execute(
383: $ref->{'title'},
1.34 matthew 384: $ref->{'author'},
385: $ref->{'subject'},
386: $m2,
387: $ref->{'keywords'},
388: 'current',
389: $ref->{'notes'},
390: $ref->{'abstract'},
391: $ref->{'mime'},
392: $ref->{'language'},
393: sqltime($ref->{'creationdate'}),
394: sqltime($ref->{'lastrevisiondate'}),
395: $ref->{'owner'},
1.47 www 396: $ref->{'copyright'},
1.50 ! www 397: $ref->{'dependencies'},
1.47 www 398: $dyn{'count'},
399: $dyn{'course'},
400: $dyn{'course_list'},
401: $dyn{'goto'},
402: $dyn{'goto_list'},
403: $dyn{'comefrom'},
404: $dyn{'comefrom_list'},
405: $dyn{'usage'},
406: $dyn{'usage_list'},
407: $dyn{'stdno'},
408: $dyn{'stdno_list'},
409: $dyn{'avetries'},
410: $dyn{'avetries_list'},
411: $dyn{'difficulty'},
1.49 www 412: $dyn{'difficulty_list'},
413: $dyn{'clear'},
414: $dyn{'technical'},
415: $dyn{'correct'},
416: $dyn{'helpful'},
417: $dyn{'depth'},
418: $dyn{'comments'}
1.47 www 419: )) {
420: print LOG "\nMySQL Error Insert: ".$dbh->errstr."\n";
421: die $dbh->errstr;
422: }
1.34 matthew 423: $ref = undef;
1.31 harris41 424: }
425: }
426: # --------------------------------------------------- Close database connection
1.47 www 427: $dbh->do("DROP TABLE IF EXISTS metadata");
428: unless ($dbh->do("RENAME TABLE newmetadata TO metadata")) {
429: print LOG "\nMySQL Error Rename: ".$dbh->errstr."\n";
430: die $dbh->errstr;
431: }
432: unless ($dbh->disconnect) {
433: print LOG "\nMySQL Error Disconnect: ".$dbh->errstr."\n";
434: die $dbh->errstr;
435: }
1.31 harris41 436: print LOG "\n==== Searchcat completed ".localtime()." ====\n";
437: close(LOG);
1.36 www 438: &writesimple();
1.38 www 439: &writecount();
1.31 harris41 440: exit 0;
1.33 matthew 441:
442:
443:
1.31 harris41 444: # =============================================================================
1.1 harris41 445:
1.31 harris41 446: # ---------------------------------------------------------------- Get metadata
447: # significantly altered from subroutine present in lonnet
448: sub metadata {
449: my ($uri,$what)=@_;
1.47 www 450: my %metacache=();
1.31 harris41 451: $uri=&declutter($uri);
452: my $filename=$uri;
453: $uri=~s/\.meta$//;
454: $uri='';
455: unless ($metacache{$uri.'keys'}) {
456: unless ($filename=~/\.meta$/) { $filename.='.meta'; }
457: my $metastring=&getfile($perlvar{'lonDocRoot'}.'/res/'.$filename);
458: my $parser=HTML::TokeParser->new(\$metastring);
459: my $token;
460: while ($token=$parser->get_token) {
1.33 matthew 461: if ($token->[0] eq 'S') {
462: my $entry=$token->[1];
463: my $unikey=$entry;
464: if (defined($token->[2]->{'part'})) {
465: $unikey.='_'.$token->[2]->{'part'};
466: }
467: if (defined($token->[2]->{'name'})) {
468: $unikey.='_'.$token->[2]->{'name'};
469: }
470: if ($metacache{$uri.'keys'}) {
471: $metacache{$uri.'keys'}.=','.$unikey;
472: } else {
473: $metacache{$uri.'keys'}=$unikey;
474: }
475: map {
476: $metacache{$uri.''.$unikey.'.'.$_}=$token->[2]->{$_};
477: } @{$token->[3]};
478: unless (
479: $metacache{$uri.''.$unikey}=$parser->get_text('/'.$entry)
480: ) { $metacache{$uri.''.$unikey}=
481: $metacache{$uri.''.$unikey.'.default'};
482: }
483: }
484: }
1.31 harris41 485: }
486: return \%metacache;
487: }
1.28 harris41 488:
1.31 harris41 489: # ------------------------------------------------------------ Serves up a file
490: # returns either the contents of the file or a -1
491: sub getfile {
1.33 matthew 492: my $file=shift;
493: if (! -e $file ) { return -1; };
494: my $fh=IO::File->new($file);
495: my $a='';
496: while (<$fh>) { $a .=$_; }
497: return $a;
1.31 harris41 498: }
1.28 harris41 499:
1.31 harris41 500: # ------------------------------------------------------------- Declutters URLs
501: sub declutter {
502: my $thisfn=shift;
503: $thisfn=~s/^$perlvar{'lonDocRoot'}//;
504: $thisfn=~s/^\///;
505: $thisfn=~s/^res\///;
506: return $thisfn;
507: }
1.28 harris41 508:
1.31 harris41 509: # --------------------------------------- Is this the home server of an author?
510: # (copied from lond, modification of the return value)
511: sub ishome {
512: my $author=shift;
513: $author=~s/\/home\/httpd\/html\/res\/([^\/]*)\/([^\/]*).*/$1\/$2/;
514: my ($udom,$uname)=split(/\//,$author);
515: my $proname=propath($udom,$uname);
516: if (-e $proname) {
517: return 1;
518: } else {
519: return 0;
520: }
521: }
1.28 harris41 522:
1.31 harris41 523: # -------------------------------------------- Return path to profile directory
524: # (copied from lond)
525: sub propath {
526: my ($udom,$uname)=@_;
527: $udom=~s/\W//g;
528: $uname=~s/\W//g;
529: my $subdir=$uname.'__';
530: $subdir =~ s/(.)(.)(.).*/$1\/$2\/$3/;
531: my $proname="$perlvar{'lonUsersDir'}/$udom/$subdir/$uname";
532: return $proname;
533: }
1.28 harris41 534:
1.31 harris41 535: # ---------------------------- convert 'time' format into a datetime sql format
536: sub sqltime {
1.13 harris41 537: my ($sec,$min,$hour,$mday,$mon,$year,$wday,$yday,$isdst) =
1.31 harris41 538: localtime(&unsqltime(@_[0]));
539: $mon++; $year+=1900;
540: return "$year-$mon-$mday $hour:$min:$sec";
541: }
1.28 harris41 542:
1.31 harris41 543: sub maketime {
544: my %th=@_;
1.33 matthew 545: return POSIX::mktime(($th{'seconds'},$th{'minutes'},$th{'hours'},
546: $th{'day'},$th{'month'}-1,
547: $th{'year'}-1900,0,0,$th{'dlsav'}));
1.31 harris41 548: }
1.28 harris41 549:
550:
1.31 harris41 551: #########################################
552: #
553: # Retro-fixing of un-backward-compatible time format
1.28 harris41 554:
1.31 harris41 555: sub unsqltime {
556: my $timestamp=shift;
557: if ($timestamp=~/^(\d+)\-(\d+)\-(\d+)\s+(\d+)\:(\d+)\:(\d+)$/) {
1.33 matthew 558: $timestamp=&maketime('year'=>$1,'month'=>$2,'day'=>$3,
559: 'hours'=>$4,'minutes'=>$5,'seconds'=>$6);
1.31 harris41 560: }
561: return $timestamp;
562: }
1.28 harris41 563:
1.45 www 564: # ----------------- Code to enable 'find' subroutine listing of the .meta files
565:
566: no strict "vars";
567:
568: sub wanted {
569: (($dev,$ino,$mode,$nlink,$uid,$gid) = lstat($_)) &&
570: -f _ &&
571: /^.*\.meta$/ && !/^.+\.\d+\.[^\.]+\.meta$/ &&
572: push(@metalist,"$dir/$_");
573: }
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