[librecat-dev] Merge multiple MARC fields into one

[Mayr-Duffner, Georg]

Hi,

 

I’m trying to combine two MARC fields into one with Catmandu and somehow it doesn’t come along as expected.

 

The MARC record has two fields 776:

776 08 $z 9876543210111

776 08 $z 9876543210112

 

These should be combined into one 776 with two subfields prepended:

 

776 08 $i Erscheint auch als $n Druck-Ausgabe $z 9876543210111 $z 9876543210112

 

I tried various approaches without success. The closest I got was:

 

```

if marc_has('776')

    marc_add('999', ind1, '0', ind2, '8', i, 'Erscheint auch als', n, 'Druck-Ausgabe')

    marc_cut('999', tmp776)

    do marc_each()

        if marc_has('776z')

            marc_map('776z', tmpisbn)

            add_field(tmp776.*.subfields.$append.z,$.tmpisbn)

            marc_remove('776')

        end

    end

    set_field(tmp776.*.tag,776)

    marc_paste(tmp776)

end

```

 

But this interprets `$.tmpisbn` as a string instead of a variable and inserts it lterally.

 

How could I fix this?

 

Thanks!

 

Kind regards,

Georg

 

 

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