8 use Unicode::Normalize;
9 use MARC::File::XML ( BinaryEncoding => 'utf-8' );
11 my $conf = {}; # configuration hashref
12 my $count = 0; my $scount = 0;
18 open OF, '>', $conf->{output};
19 open XF, '>', $conf->{exception};
21 for my $file (@ARGV) {
22 print XF "Processing $file\n";
23 my $batch = undef; my $record = undef;
25 $batch = MARC::Batch->new($conf->{marctype}, $file);
27 $batch->warnings_off();
29 while ( $record = $batch->next ) {
30 $count++; progress_ticker();
32 unless ( defined $record )
33 { dump_exception($marc); next; }
35 my $id = $record->field($conf->{tag});
37 print XF "ERROR: Record $count in $file is missing a ",
38 $conf->{tag}, " field.\n", $record->as_formatted(), "\n=====\n";
42 # populate and normalize marc
43 $marc = populate_marc($record, $id);
44 normalize_marc($marc);
45 unless (marc_isvalid($marc))
46 { dump_exception($marc); next; }
48 # if everything looks good, score it and dump fingerprints
49 score_marc($marc, $record);
50 dump_fingerprints($marc);
51 $scount++; progress_ticker();
55 print "\nSuccessfully processed:\t$count\n" unless $conf->{quiet};
59 Constructs a hash containing the relevant MARC data for a record and
60 returns a reference to it.
65 my ($record, $id) = @_;
66 my %marc = (); $marc{isbns} = [];
69 $marc{id} = $id->as_string($conf->{subfield});
71 # record_type, bib_lvl
72 $marc{record_type} = substr($record->leader, 6, 1);
73 $marc{bib_lvl} = substr($record->leader, 7, 1);
76 my $my_008 = $record->field('008');
77 $marc{tag008} = $my_008->as_string() if ($my_008);
78 if (defined $marc{tag008}) {
79 unless (length $marc{tag008} == 40) {
80 $marc{tag008} = $marc{tag008} . ('|' x (40 - length($marc{tag008})));
81 print XF ">> Short 008 padded to ",length($marc{tag008})," at rec $count\n";
83 $marc{date1} = substr($marc{tag008},7,4) if ($marc{tag008});
84 $marc{date2} = substr($marc{tag008},11,4) if ($marc{tag008}); # UNUSED
86 unless ($marc{date1} and $marc{date1} =~ /\d{4}/) {
87 my $my_260 = $record->field('260');
88 my $date1 = $my_260->subfield('c') if $my_260;
89 if (defined $date1 and $date1 =~ /\d{4}/) {
90 $marc{date1} = $date1;
92 print XF ">> using 260c as date1 at rec $count\n";
97 if ( $marc{record_type} =~ /[gkroef]/ ) { # MAP, VIS
98 $marc{item_form} = substr($marc{tag008},29,1) if ($marc{tag008});
100 $marc{item_form} = substr($marc{tag008},23,1) if ($marc{tag008});
104 my @isbns = $record->field('020') if $record->field('020');
105 push @isbns, $record->field('024') if $record->field('024');
106 for my $f ( @isbns ) {
107 push @{ $marc{isbns} }, $1 if ( defined $f->subfield('a') and
108 $f->subfield('a')=~/(\S+)/ );
112 for my $rec_field (100, 110, 111) {
113 if ($record->field($rec_field)) {
114 $marc{author} = $record->field($rec_field)->subfield('a');
121 push @{ $marc{oclc} }, $record->field('001')->as_string()
122 if ($record->field('001') and $record->field('003') and
123 $record->field('003')->as_string() =~ /OCo{0,1}LC/);
124 for ($record->field('035')) {
125 my $oclc = $_->subfield('a');
126 push @{ $marc{oclc} }, $oclc
127 if (defined $oclc and $oclc =~ /\(OCoLC\)/ and $oclc =~/([0-9]+)/);
130 # "Accompanying material" and check for "copy" (300)
131 if ($record->field('300')) {
132 $marc{accomp} = $record->field('300')->subfield('e');
133 $marc{tag300a} = $record->field('300')->subfield('a');
136 # issn, lccn, title, desc, pages, pub, pubyear, edition
137 $marc{lccn} = $record->field('010')->subfield('a') if $record->field('010');
138 $marc{issn} = $record->field('022')->subfield('a') if $record->field('022');
139 $marc{desc} = $record->field('300')->subfield('a') if $record->field('300');
140 $marc{pages} = $1 if (defined $marc{desc} and $marc{desc} =~ /(\d+)/);
141 $marc{title} = $record->field('245')->subfield('a')
142 if $record->field('245');
143 $marc{edition} = $record->field('250')->subfield('a')
144 if $record->field('250');
145 if ($record->field('260')) {
146 $marc{publisher} = $record->field('260')->subfield('b');
147 $marc{pubyear} = $record->field('260')->subfield('c');
149 (defined $marc{pubyear} and $marc{pubyear} =~ /(\d{4})/) ? $1 : '';
156 =head2 normalize_marc
158 Gently massages your data.
165 $marc->{record_type }= 'a' if ($marc->{record_type} eq ' ');
166 if ($marc->{title}) {
167 $marc->{title} = NFD($marc->{title});
168 $marc->{title} =~ s/[\x{80}-\x{ffff}]//go;
169 $marc->{title} = lc($marc->{title});
170 $marc->{title} =~ s/\W+$//go;
172 if ($marc->{author}) {
173 $marc->{author} = NFD($marc->{author});
174 $marc->{author} =~ s/[\x{80}-\x{ffff}]//go;
175 $marc->{author} = lc($marc->{author});
176 $marc->{author} =~ s/\W+$//go;
177 if ($marc->{author} =~ /^(\w+)/) {
178 $marc->{author} = $1;
181 if ($marc->{publisher}) {
182 $marc->{publisher} = NFD($marc->{publisher});
183 $marc->{publisher} =~ s/[\x{80}-\x{ffff}]//go;
184 $marc->{publisher} = lc($marc->{publisher});
185 $marc->{publisher} =~ s/\W+$//go;
186 if ($marc->{publisher} =~ /^(\w+)/) {
187 $marc->{publisher} = $1;
197 Checks MARC record to see if neccessary fingerprinting data is
204 return 1 if ($marc->{item_form} and ($marc->{date1} =~ /\d{4}/) and
205 $marc->{record_type} and $marc->{bib_lvl} and $marc->{title});
212 Assign a score to the record based on various criteria.
214 Score is constructed by pushing elements onto a list, via a dispatch
215 table. This allows order of fingerprints in the output file to be
221 my ($marc, $record) = @_;
225 #----------------------------------
226 # static criteria scoring
227 #----------------------------------
228 $marc->{misc_score} = 999999999999;
229 # subtract record id if we want older records to win
230 $marc->{misc_score} -= $marc->{id} unless ($conf->{newwins});
231 # handle arbitrary adjustments
232 if ($conf->{'arbitrarily-decrease-score-above'}) {
233 $marc->{misc_score} -= $conf->{'arbitrarily-decrease-score-by'}
234 if ($marc->{id} >= $conf->{'arbitrarily-decrease-score-above'});
236 if ($conf->{'arbitrarily-decrease-score-below'}) {
237 $marc->{misc_score} -= $conf->{'arbitrarily-decrease-score-by'}
238 if ($marc->{id} <= $conf->{'arbitrarily-decrease-score-below'});
240 # -1 if 008 has been padded, -2 if it doesn't exist
242 { $marc->{misc_score}-- if ($marc->{tag008} =~ /\|$/) }
244 { $marc->{misc_score} -= 2 }
245 # -1 if date has been pulled from 260
246 $marc->{misc_score}-- if $marc->{fudgedate};
247 # -1 if this is a copy record
248 $marc->{misc_score}--
249 if (defined $marc->{tag300a} and $marc->{tag300a} =~ /copy/i);
251 #----------------------------------
252 # dynamic calculated scoring
253 #----------------------------------
255 oclc => sub { return $marc->{oclc}[0] ? 1 : 0 },
257 if ($record->field('040') and $record->field('040')->subfield('a'))
258 { return scalar($record->subfield( '040', 'a')) =~ /dlc/io ? 1 : 0 }
262 if ($record->field('650')) {
263 # can't say "scalar $record->field('650')"; MARC::Record
264 # behaves differently in list/scalar contexts
265 my @tags = $record->field('650');
266 return sprintf("%04d", scalar @tags)
267 } else { return '0000' }
269 num_tags=> sub { return sprintf( '%04d', scalar( $record->fields ) ) },
271 my $enc = substr($record->leader, 17, 1) || 'u';
272 my %levels = ( ' ' => 9, 1 => 8, 2 => 7, 3 => 6, 4 => 5, 5 => 4,
273 6 => 3, 7 => 2, 8 => 1, 'u' => 0, 'z' => 0 );
274 return $levels{$enc} || 0;
278 #----------------------------------
279 # assemble and store scores
280 #----------------------------------
281 for ( @{ $conf->{dyn_scores} } ) {
282 push @score, $scores_code{$_}->($marc, $record);
283 $json .= $_ . ':' . $score[-1] . ',';
285 $json .= 'misc:' . $marc->{misc_score} . '}';
287 my $compact = join('', $marc->{misc_score}, @score);
288 $marc->{score} = "$compact\t$json";
291 =head2 dump_fingerprints
295 sub dump_fingerprints {
298 if ($conf->{fingerprints}{baseline}) {
299 print OF join("\t", $marc->{score}, $marc->{id}, 'baseline',
300 $marc->{item_form}, $marc->{date1}, $marc->{record_type},
301 $marc->{bib_lvl}, $marc->{title}), "\n";
304 if ($conf->{fingerprints}{oclc} and scalar @{$marc->{oclc} }) {
305 for (@{$marc->{oclc} }) {
306 print OF join("\t", $marc->{score}, $marc->{id}, "oclc",
307 $marc->{item_form}, $marc->{date1},
308 $marc->{record_type}, $marc->{bib_lvl},
309 $marc->{title}, $_, "\n");
313 if ($conf->{fingerprints}{isbn}) {
314 if ((scalar @{ $marc->{isbns} } > 0) and $marc->{pages}) {
315 foreach my $isbn ( @{ $marc->{isbns}} ) {
316 print OF join("\t", $marc->{score}, $marc->{id}, "isbn",
317 $marc->{item_form}, $marc->{date1},
318 $marc->{record_type},
319 $marc->{bib_lvl}, $marc->{title},
320 $isbn, $marc->{pages}), "\n";
325 if ($conf->{fingerprints}{edition} and $marc->{edition}) {
326 print OF join("\t", $marc->{score}, $marc->{id}, "edition",
327 $marc->{item_form}, $marc->{date1},
328 $marc->{record_type}, $marc->{bib_lvl},
329 $marc->{title}, $marc->{edition}), "\n";
332 if ($conf->{fingerprints}{issn} and $marc->{issn}) {
333 print OF join("\t", $marc->{score}, $marc->{id}, "issn",
334 $marc->{item_form}, $marc->{date1},
335 $marc->{record_type}, $marc->{bib_lvl},
336 $marc->{title}, $marc->{issn}), "\n";
339 if ($conf->{fingerprints}{lccn} and $marc->{lccn}) {
340 print OF join("\t", $marc->{score}, $marc->{id}, "lccn",
341 $marc->{item_form}, $marc->{date1},
342 $marc->{record_type}, $marc->{bib_lvl},
343 $marc->{title}, $marc->{lccn}) ,"\n";
346 if ($conf->{fingerprints}{accomp} and $marc->{accomp}) {
347 print OF join("\t", $marc->{score}, $marc->{id}, "accomp",
348 $marc->{item_form}, $marc->{date1},
349 $marc->{record_type}, $marc->{bib_lvl},
350 $marc->{title}, $marc->{accomp}) ,"\n";
353 if ($conf->{fingerprints}{authpub} and $marc->{author} and
354 $marc->{publisher} and $marc->{pubyear} and $marc->{pages}) {
355 print OF join("\t", $marc->{score}, $marc->{id}, "authpub",
356 $marc->{item_form}, $marc->{date1},
357 $marc->{record_type}, $marc->{bib_lvl},
358 $marc->{title}, $marc->{author},
359 $marc->{publisher}, $marc->{pubyear},
360 $marc->{pages}), "\n";
366 =head2 dump_exception
368 Write line of exception report
374 unless (defined $marc) {
375 print XF "Undefined record at line $count; likely bad XML\n";
378 print XF "Record ", $marc->{id}, " excluded: ";
379 print XF "missing item_form; " unless ($marc->{item_form});
380 unless (defined $marc->{date1})
381 { print XF "missing date1; " }
383 { print XF "invalid date1: '", $marc->{date1}, "'; "
384 unless ($marc->{date1} =~ /\d{4}/); }
385 print XF "missing record_type; " unless ($marc->{record_type});
386 print XF "missing bib_lvl; " unless ($marc->{bib_lvl});
387 print XF "missing title " unless ($marc->{title});
394 Performs boring script initialization. Handles argument parsing,
403 # set mode on existing filehandles
404 binmode(STDIN, ':utf8');
406 my $rc = GetOptions( $c,
415 'arbitrarily-decrease-score-above=i',
416 'arbitrarily-decrease-score-below=i',
417 'arbitrarily-decrease-score-by=i',
422 show_help() unless $rc;
423 show_help() if ($c->{help});
425 # check fingerprints list for validity
426 if ($c->{fingerprints}) {
428 my %valid_fps = ( oclc => 1, isbn => 1, issn => 1, lccn => 1,
429 edition => 1, accomp => 1, authpub => 1,
430 baseline => 1, crap => 1,
432 for (split /,/, $c->{fingerprints}) {
433 die "Invalid fingerprint '$_'\n" unless $valid_fps{$_};
436 $c->{fingerprints} = \%fps
438 $c->{fingerprints} = {oclc => 1, isbn => 1, edition => 1, issn => 1,
439 lccn => 1, accomp => 1, authpub => 1};
442 # check scores list for validity
445 my %valid_scores = ( oclc => 1, dlc => 1, num_650 => 1,
446 num_tags => 1, enc_lvl => 1,
448 for (split /,/, $c->{scores}) {
449 die "Invalid score mode '$_'\n" unless $valid_scores{$_};
452 $c->{dyn_scores} = [split /,/, $c->{scores}];
453 $c->{scores} = \%scores;
455 $c->{scores} = {oclc => 1, dlc => 1, num_650 => 1,
456 num_tags => 1, enc_lvl => 1};
457 $c->{dyn_scores} = [ qw/oclc dlc num_650 num_tags enc_lvl/ ];
461 $c->{tag} = 903 unless defined $c->{tag};
462 $c->{subfield} = 'a' unless defined $c->{subfield};
463 $c->{marctype} = 'XML' unless defined $c->{marctype};
464 $c->{'arbitrarily-decrease-score-by'} = 0
465 unless defined $c->{'arbitrarily-decrease-score-by'};
467 $c->{output} = join('.',$c->{prefix},'fp');
468 $c->{exception} = join('.',$c->{prefix},'fp','ex');
471 my @keys = keys %{$c};
472 show_help() unless (@ARGV and @keys);
473 for my $key ('tag', 'subfield', 'output', 'exception')
474 { push @missing, $key unless $c->{$key} }
476 print "Required option: ", join(', ', @missing), " missing!\n";
482 =head2 progress_ticker
486 sub progress_ticker {
487 return if $conf->{quiet};
488 printf("\r> %d recs seen; %d processed", $count, $scount);
489 printf(" (%d/s)", ($count / (time - $start + 1)))
490 if ($count % 500 == 0);
495 Display usage message when things go wrong
501 Usage is: $0 [REQUIRED ARGS] [OPTIONS] <filelist>
503 --output=<FILE> -o Output filename
504 --exceptions=<FILE> -x Exception report filename
506 --prefix=<PREFIX>> -p Shared prefix for output/exception files. Will
507 produce PREFIX.fp and PREFIX.fp.ex
509 --tag=N -t Which tag to use (default 903)
510 --subfield=X -s Which subfield to use (default 'a')
511 --quiet -q Don't write status messages to STDOUT
513 --fingerprints=LIST Fingerprints to generate, comma separated
514 Default: oclc,isbn,edition,issn,lccn,accomp,authpub
517 --scores=LIST Scores to calculate, comma separated
518 Default: oclc,dlc,num_650,num_tags,enc_level
519 --newwins New record IDs score higher (default is old wins)
520 --arbitrarily-decrease-score-above
521 --arbitrarily-decrease-score-below
522 --arbitrarily-decrease-score-by
523 Modify fingerprint scoring of records whose EG id is above or below a
524 given value, inclusive (so 5 is <= 5 or >= 5). -by gives the amount by
525 which to adjust the score.
527 --marctype=TYPE Defaults to 'XML'