module ExtractTicketNumbers

# File lib/extract_ticket_numbers.rb, line 6
def self.add_to_csv(in_path, out_path = out_path_from(in_path))
  CSV.open(out_path, "wb", col_sep: ';') do |out_row|
    CSV.foreach(in_path, col_sep: ';', headers: false) do |in_row|
      tickets = in_row.to_s.scan(/[a-zA-Z]+\-[0-9]+/)
      in_row.concat tickets
      out_row << in_row
    end
  end
end

# File lib/extract_ticket_numbers.rb, line 16
def self.out_path_from(in_path)
  File.join(File.dirname(in_path), File.basename(in_path, '.csv') + '-with_ticket_numbers.csv')
end