extenglishnum.rb

def engnum number
  if number == 0
    return "zero"
  end

  english = ""

  ones = ["one", "two", "three",
          "four", "five", "six",
          "seven", "eight", "nine"]
  tens = ["ten", "twenty", "thirty",
          "forty", "fifty", "sixty",
          "seventy", "eighty", "ninety"]
  teen = ["eleven", "twelve", "thirteen",
          "fourteen", "fifteen", "sixteen",
          "seventeen", "eighteen", "nineteen"]

  left  = number
  write = left / 100
  left  = left % 100

  if write > 0
    hundreds = engnum write
    english = english + hundreds + ' hundred'

    if left > 0
      english = english + " "
    end
  end

  write = left / 10
  left = left % 10

  if write > 0
    if ((write == 1) and (left > 0))
      english = english + teen[left-1]
      left = 0
    else
      english = english + tens[write-1]
    end
    if left > 0
      english = english + "-"
    end
  end

  write = left
  left  = 0

  if write > 0
    english = english + ones[write-1]
  end

  english
end


puts engnum(  0)
puts engnum(  9)
puts engnum( 10)
puts engnum( 11)
puts engnum( 17)
puts engnum( 32)
puts engnum( 88)
puts engnum( 99)
puts engnum(100)
puts engnum(101)
puts engnum(234)
puts engnum(3211)
puts engnum(999999)