From: Robert Klemme <shortcutter@...>
Date: 2008-05-13T20:26:12+09:00
Subject: Re: Convert integer to array?

2008/5/12 Sebastian Hungerecker <sepp2k@googlemail.com>:
> Nadim Kobeissi wrote:
>  > Let's say I have:
>  > x=1234
>  > How can I convert that to the follow array:
>  > x=[1, 2, 3, 4]
>
>  A solution that doesn't use strings:
>
>  result_array = []
>  while x > 0
>   result_array.unshift x % 10
>   x /= 10
>  end
>  result_array
>
>  This will "destroy" x, though.

Well, that's easily fixed: just work with another variable.  You can
also combine division and mod:

def int_split(x)
  r = []
  y = x
  while y > 0
    y, b = y.divmod 10
    r.unshift b
  end
  r
end

Kind regards

robert

-- 
use.inject do |as, often| as.you_can - without end