Using MacRuby to operate the Address Book contacts

addressbook-macruby.rb

#!/usr/bin/env ruby

# For contacts which have only the first name, move the first name to last name

framework 'AddressBook'

def move_first2last(person)
  first = person.valueForProperty(KABFirstNameProperty)
  last = person.valueForProperty(KABLastNameProperty)

  if last == nil
    #p first, last
    person.setValue(nil, forProperty: KABFirstNameProperty)
    person.setValue(first, forProperty: KABLastNameProperty)
  end
end

ab = ABAddressBook.addressBook

ab.people.each do |person|
  move_first2last(person)
end

ab.save