gistfile1.rb

  # Money.new(12345678901).to_real => "123.456.789,01"      
  def to_real                                               
    return "0,00" if cents == 0                             
    tmp_money = cents.to_s.split(//)                        
    tmp_cents = tmp_money.pop(2).to_s                       
    if tmp_money.empty?                                     
      return ("%.2f" % (tmp_cents.to_i / 100.0)).gsub(".",",")
    elsif tmp_money.length <= 3                               
      return "#{tmp_money},#{tmp_cents}"                      
    end                                                       
    tmp_start = tmp_money.to_s.length % 3                     
    tmp_start = tmp_money.shift(tmp_start).to_s               
    tmp_money2 = []                                           
    tmp_money.to_s.scan(/\d{3}/).each do |v|                  
      tmp_money2 += [v]                                       
    end                                                       
    if tmp_start.empty?                                       
      return "#{tmp_money2.join('.')},#{tmp_cents}"           
    else                                                      
      return "#{tmp_start}.#{tmp_money2.join('.')},#{tmp_cents}"
    end                                                         
  end





 
irb(main):004:0> Money.new(1).to_real
=> "0,01"
irb(main):005:0> Money.new(12).to_real
=> "0,12"
irb(main):006:0> Money.new(123).to_real
=> "1,23"
irb(main):007:0> Money.new(1234).to_real
=> "12,34"
irb(main):008:0> Money.new(12345).to_real
=> "123,45"
irb(main):009:0> Money.new(123456).to_real
=> "1.234,56"
irb(main):010:0> Money.new(1234567).to_real
=> "12.345,67"
irb(main):011:0> Money.new(12345678).to_real
=> "123.456,78"
irb(main):012:0> Money.new(123456789).to_real
=> "1.234.567,89"
irb(main):013:0> Money.new(1234567890).to_real
=> "12.345.678,90"
irb(main):014:0> Money.new(12345678901).to_real
=> "123.456.789,01"