[librecat-dev] fix with Catmandu identifier

[Patrick Hochstenbach]

Hi

I can’t give you a complete application but here is a hint for some fixes:

# Loop over all fields one-by-one
do marc_each()

    # If the field is a 020
    if marc_match("020",".*")
        # Extract the isbn
        marc_map(020a,isbn)

        # Clean the ISBN a bit
        replace_all(isbn,' .*','')

        # If the ISBN is not valid..
        unless is_valid_isbn(isbn)

	  # Remove the 020a field
          marc_remove('020a’)

          # Set the 020z field with the invalid ISBN
          marc_set('020z',$.isbn)
        end
    end
end


Best
Patrick


> On 20 May 2017, at 15:11, Jorg Delutan <jdelutan at gmail.com> wrote:
> 
> Dear all,
> 
> i try to use Catmandu-Identifier, with the use of Catmandu::Fix::Condition::is_valid_isbn-condition.
> and i do this, as Basil described, for example, i delete the $a with the invalid ISBN, ISSN, and then create a new subfield, $z, with the invalid ISBN, ISSN..
> 
> So i also would appreciate, after the issue is closed an example, of how i could use it, in an elegant way, in order to move all invalid isbn numbers, to $z, of tag 010, and all invalid ISSN numbers, in tag 011 $z respectively.
> 
> Best regards
> 
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