- COPYRIGHT AND LICENSE
PICA path expressions can be used to match fields and subfields of PICA::Data records. An instance of PICA::Path is a blessed array reference, consisting of the following fields:
regular expression to match fields against
regular expression to match occurrences against, or undefined
regular expression to match subfields against
substring start position
substring end position
PICA::Path - PICA path expression to match field and subfield values
Check whether a given PICA field matches the field and occurrence of this path. Returns the
$field on success.
Returns a list of matching subfields (optionally trimmed by from and length) without inspection of field and occurrence values.
Stringifies the PICA path to normalized form. Subfields are separated with
$, unless called as
stringify(1) or the first subfield is
Johann Rolschewski <firstname.lastname@example.org>
This software is copyright (c) 2014 by Johann Rolschewski.
This is free software; you can redistribute it and/or modify it under the same terms as the Perl 5 programming language system itself.