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dpavlin |
10 |
# |
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# isis_sf($isis_row,'isis_field'[,'subfield']) |
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# |
4 |
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# e.g. isis_sf($row,'700','a') |
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# |
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sub isis_sf { |
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my $row = shift @_; |
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my $isis_id = shift @_; |
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my $subfield = shift @_; |
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11 |
dpavlin |
29 |
my $i = shift @_ || 0; |
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my $out; |
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15 |
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if ($row->{$isis_id}->[$i]) { |
16 |
dpavlin |
45 |
if (! $subfield) { |
17 |
dpavlin |
10 |
# subfield list undef, empty or no defined subfields for this record |
18 |
dpavlin |
29 |
my $all_sf = $row->{$isis_id}->[$i]; |
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$all_sf =~ s/\^./ /g; # nuke definitions |
20 |
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return $all_sf; |
21 |
dpavlin |
45 |
} |
22 |
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my $sf = OpenIsis::subfields($row->{$isis_id}->[$i]); |
23 |
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if ($sf->{$subfield}) { |
24 |
dpavlin |
10 |
return $sf->{$subfield}; |
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} |
26 |
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} |
27 |
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} |
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29 |
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1; |
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