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This queue is for tickets about the MARC-Record CPAN distribution.

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Id: 76451
Status: new
Priority: 0/
Queue: MARC-Record

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Owner: Nobody in particular
Requestors: chris.cooke.ctr [...] nrl.navy.mil
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Subject: Bug in MARC::Record
Date: Mon, 09 Apr 2012 14:46:55 -0400
To: <bug-MARC-Record [...] rt.cpan.org>
From: "Chris Cooke, Contractor, Code 5596" <chris.cooke.ctr [...] nrl.navy.mil>
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There is a bug in MARC::Record when you use the form: my $title = $marc->field('245')->subfield("a"); The problem is that if the field 245 is not defined, then you get a "Can't call method "subfield" on an undefined value at..." error. I have just started to use this module, and noticed this right away on a record with an undefined isbn. This problem does not seem to exist in the form: my $title = $marc->subfield('245', "a"); In my program, $record{$isbn} = $marc->field('20')->subfield('a'); Crashes, but $record{$isbn} = $marc->subfield('20', 'a'); Is fine. The documentation on CPAN states that these two methods are equivalent, but they are not. -Chris


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