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11
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use strict; |
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2
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5
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2
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46
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2
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2
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2
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7
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use warnings; |
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2
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4
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2
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77
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3
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package WorldCat::MARC::Record::Monkeypatch; |
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$WorldCat::MARC::Record::Monkeypatch::VERSION = '1.002'; |
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# ABSTRACT: Monkeypatch MARC::Record to add useful methods |
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7
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8
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2
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2
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8
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use feature qw(say); |
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2
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3
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2
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161
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9
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2
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2
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899
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use Time::Piece; |
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2
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10706
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2
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8
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10
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11
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# Specs: |
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# https://www.oclc.org/support/services/batchload/controlnumber.en.html |
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# |
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# NOTE(dcschmidt): Definitely incomplete; needs more tests/sample data. |
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sub MARC::Record::oclc_number { |
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1
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1
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0
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26
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my ($self) = @_; |
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18
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1
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50
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3
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if (my $f001 = $self->field('001')) { |
19
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1
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50
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50
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if ($f001->data =~ qr/^(ocm|ocn|on\.)(\d+)$/) { |
20
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1
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27
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return int $2; |
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} |
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} |
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24
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0
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0
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0
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if (my $f019 = $self->field('019')) { |
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0
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0
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return int $f019->data; |
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} |
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28
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0
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0
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0
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if (my $f035a = $self->subfield('035', 'a')) { |
29
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0
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0
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0
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if ($f035a->data =~ qr/OCoLC.(\d+)$/) { |
30
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0
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0
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return int $1; |
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} |
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} |
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} |
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35
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sub MARC::Record::new_from_marc21xml { |
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1
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1
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0
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128901
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my ($class, $raw) = @_; |
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38
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1
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7
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my $marc_rec = "$class"->new; |
39
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1
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14
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$marc_rec->leader($raw->{leader}); |
40
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41
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# Add control fields |
42
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1
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13
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for my $cfield (@{$raw->{controlfield}}) { |
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1
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3
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43
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$marc_rec->append_fields(MARC::Field->new( |
44
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$cfield->{tag}, |
45
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$cfield->{content}, |
46
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4
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125
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)); |
47
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} |
48
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49
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# Add data fields |
50
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1
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29
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for my $dfield (@{$raw->{datafield}}) { |
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1
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2
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51
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22
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979
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my $content = $dfield->{content}; |
52
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22
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23
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my $ind1 = $dfield->{ind1}; |
53
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22
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21
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my $ind2 = $dfield->{ind2}; |
54
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22
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22
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my $subfields = $dfield->{subfield}; |
55
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22
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21
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my $tag = $dfield->{tag}; |
56
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57
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# Normalize subfields to an array of hashrefs |
58
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50
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44
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my %subfields = map { @{$_}{qw(code content)} } @{ |
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50
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101
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59
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22
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100
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20
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ref $subfields eq 'HASH' ? [$subfields] : $subfields |
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22
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39
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60
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}; |
61
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62
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22
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54
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$marc_rec->append_fields(MARC::Field->new($tag, $ind1, $ind2, %subfields)); |
63
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} |
64
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65
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1
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49
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return $marc_rec; |
66
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} |
67
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68
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1; |
69
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70
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__END__ |