NAME

       Catmandu::Fix::marc_add - add new fields to marc

SYNOPSIS

           # Set literal values
           marc_add('900', a, 'test' , 'b', test)
           marc_add('900', ind1 , ' ' , a, 'test' , 'b', test)
           marc_add('900', ind1 , ' ' , a, 'test' , 'b', test , record:record2)

           # Copy data from an other field (when the field value is an array, the
           # subfield will be repeated)
           marc_add('900', a, '$.my.data.field')

DESCRIPTION

       Read our Wiki pages at <https://github.com/LibreCat/Catmandu/wiki/Fixes> for a complete
       overview of the Fix language.

SEE ALSO

       Catmandu::Fix