Molu vcard maker

require 'roo'
require 'fileutils'
require 'csv'
require 'vcardio'
xlsx = Roo::Excelx.new('./cnt.xlsx')
nothing = []
@vcf_elements = [{key: :food, values: [], regex: /FOOD/i},
{key: :cold_store, values: [], regex: /COLD/i},
{key: :resturants, values: [], regex: /REST|KITCHEN|COFFEE|SANDWICH|SUBWAY|PASTRIES|PIZZA|SHAWARMA|GRILLS|MACDONALD|GRILL|FALAFEL|SANDWICHES|DAIRY|CHICKEN|BURGER/i},
{key: :sweets, values: [], regex: /SWEET/i},
{key: :markets, values: [], regex: /MARKET/i},
{key: :cafeterias, values: [], regex: /CAFE|LOUNGE/i},
{key: :trading, values: [], regex: /TRAD/i},
{key: :groceries, values: [], regex: /GROCERY|VEGETABLE|FRUITS/}]

xlsx.each_row_streaming do |row|
  match = false
  @vcf_elements.each do |vcf_elem|
    if row[1].to_s =~ vcf_elem[:regex]
      match = true
      vcf_elem[:values] << row.to_a.map(&:to_s)
    end
  end
  nothing << row.to_a.map(&:to_s).join(',') unless match
end
grouped_file = File.open('grouped_file.txt', 'w')
FileUtils.mkdir_p './excel_files'
FileUtils.mkdir_p './vcards'
@vcf_elements.each do |vcf_elem|
  vcf_file = File.open("./excel_files/#{vcf_elem[:key]}.csv",'w')
  vcf_file.close
  FileUtils.mkdir_p "./vcards/#{vcf_elem[:key]}"

  CSV.open("./excel_files/#{vcf_elem[:key]}.csv", "w") do |csv|
    vcf_elem[:values].each do |row|
      csv << row

      vcard = VCardio::VCard.new('3.0') do
        name = row[0]
        address = row[3]
        contact_name = row[4]
        mobile_no = row[5]
        fn row[1]
        org row[4]
        tel row[5]
      end
      time = Time.now.to_i
      vcard.to_file("./vcards/#{vcf_elem[:key]}/#{row[4].to_s.gsub(/[^0-9A-Za-z]/, '')}-#{time}.vcf")
    end
  end
  grouped_file.puts("-----#{vcf_elem[:key].upcase}-------")
  vcf_elem[:values].each {|elem| grouped_file.puts(elem) }
  grouped_file.puts("-----#{vcf_elem[:key].upcase}  END-------")
end
grouped_file.close

onnilum_pedatha = File.open('onnilum_pedatha.txt', 'w')
nothing.each {|noth| onnilum_pedatha.puts(noth) }
onnilum_pedatha.close