gistfile1.rb

require 'csv'
require 'YAML'

class Customers

  attr_reader :custom_methods
  
  def initialize 
     @custom_methods = {}
  end

  def method_missing name, *args
    custom_method = name.to_s.underscore
    if custom_method.match(/=$/)
      @custom_methods[custom_method.chop] = args[0]
    else
      @custom_methods[custom_method]
    end
  end
end

class Parse
  attr_accessor :customers 

  def initialize filename
    self.customers = [] 
    deserialized_users filename
  end

  def deserialized_users filename
    CSV.foreach(filename, col_sep: "|")  do |row|
      next if row.empty?
      customer = Customers.new
      row.each_with_index do |var, index| 
      customer.send("#{var}=", row[index])
      customers << customer
      end
    end
    customers
  end

  def serialized_users
    File.open("./serialized_users.yaml", "w") do |yaml_file|
      customers.each do |c|
        yaml_file.puts YAML::dump([c.custom_methods.each {|k,v| }, c.elect_or_gas, c.disconnect_doc, c.move_in_date, c.move_out_date, c.bill_year, c.bill_month, c.span_days, c.meter_read_date, c.meter_read_type, c.consumption, c.exception_code])
      end
    end
  end

end

class String

  def underscore
    self.gsub(/::/, '/').
    gsub(/([A-Z]+)([A-Z][a-z])/,'\1_\2').
    gsub(/([a-z\d])([A-Z])/,'\1_\2').
    tr("-", "_").
    downcase
  end


end

p = Parse.new "./pulse_data.txt"
#p.serialized_users