vcard2csv.rb

#!/usr/bin/env ruby
# vim:set fileencoding=utf-8 filetype=ruby
$KCODE = 'u'

require 'rubygems'
require 'csv'
require 'vpim/vcard'

data = Vpim::Vcard.decode(ARGF).map do |vcard|
  next unless addr = vcard.address
  full_addr = [addr.region, addr.locality,  addr.street].map{|s| s.strip }.join(" ")
  spouse = if line = vcard.lines("X-ABRELATEDNAMES").first
             line.value
           else
             ""
           end
  [vcard.name.fullname, spouse, addr.postalcode, full_addr]
end.compact

CSV.generate("/tmp/address.csv"){|writer| data.each{|row| writer << row } }