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MARC::Spec::Subspec(3pm) User Contributed Perl Documentation MARC::Spec::Subspec(3pm)

NAME

MARC::Spec::Subspec - subspec specification

SYNOPSIS

    use MARC::Spec;
    use MARC::Spec::Subspec;
    use MARC::Spec::Comparisonstring;
    
    # create an empty subspec
    my $subspec = MARC::Spec::Subspec->new;
    
    # create the subterms
    my $ms  = MARC::Spec::parse('245$a')';
    my $cmp = MARC::Spec::Comparisonstring->new('Perl');
    
    # add subterms to subspec
    $subspec->left($ms);
    $subspec->right($cmp);
    $subspec->operator('=');
    
    say $subspec->subterms;     # '245$a=\Perl'

DESCRIPTION

MARC::Spec::Subspec is the subspec specification of a MARC::Spec.

See MARCspec - A common MARC record path language <http://marcspec.github.io/MARCspec/> for further details on the syntax.

METHODS

new

Create a new MARC::Spec::Subspec instance.

to_string

Returns the spec as a string.

ATTRIBUTES

left

Obligatory. The left subterm: a MARCspec as a string.

Obligatory. The right subterm: a MARCspec as a string.

operator

One of "=", "!=", "~", "!~", "!", or "?". Default is "?".

AUTHOR

Carsten Klee "<klee at cpan.org>"

CONTRIBUTORS

•
Johann Rolschewski, "<jorol at cpan>"

COPYRIGHT AND LICENSE

This software is copyright (c) 2016 by Carsten Klee.

This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.

BUGS

Please report any bugs to <https://github.com/MARCspec/MARC-Spec/issues>

SEE ALSO

  • MARC::Spec
  • MARC::Spec::Field
  • MARC::Spec::Subfield
  • MARC::Spec::Indicator
  • MARC::Spec::Structure
  • MARC::Spec::Comparisonstring
  • MARC::Spec::Parser
2022-06-15 perl v5.34.0