Catmandu::Fix::Condition::marc_has_many3pm

Test if a marc has more than one (sub)field

Usage

   # marc_has_many(MARC_PATH)
   if marc_has_many('245')
        add_field('error.$append','more than one 245!')
   end

Evaluate the enclosing fixes only if the MARC has more than one (sub)field.

Evaluates to true when the MARC has more than one (sub)field, false otherwise.

4 releases since Debian 10 (Buster); the text changed 2 times.