gistfile1.builder

class Integer
	def english_name(delimiter='-')
		if self < 20
			english_table[self]
		else
			ret = english_table[(self / 10) * 10]
			(self % 10) == 0 ? ret : ret + delimiter.to_s + english_table[self % 10]
		end
	end

	private
	def english_table
		{ 0  => 'zero',
		  1  => 'one',
		  2  => 'two',
		  3  => 'three',
		  4  => 'four',
		  5  => 'five',
		  6  => 'six',
		  7  => 'seven',
		  8  => 'eight',
		  9  => 'nine',
		  10 => 'ten',
		  11 => 'eleven',
		  12 => 'twelve',
		  13 => 'thirteen',
		  14 => 'fourteen',
		  15 => 'fifteen',
		  16 => 'sixteen',
		  17 => 'seventeen',
		  18 => 'eighteen',
		  19 => 'nineteen',
		  20 => 'twenty',
		  30 => 'thirty',
		  40 => 'fourty',
		  50 => 'fifty',
		  60 => 'sixty',
		  70 => 'seventy',
		  80 => 'eighty',
		  90 => 'ninety',
		}
	end
end

puts 13.english_name      # => thirteen
puts 40.english_name      # => fourty
puts 33.english_name      # => thirty-three
puts 28.english_name("_") # => twenty_eight