From: Christian Neukirchen <chneukirchen@...>
Date: 2005-05-29T18:22:29+09:00
Subject: Re: Zerofy

Brian Schr�der <ruby.brian@gmail.com> writes:

> On 26/05/05, Vance Heron <heron@jpl.nasa.gov> wrote:
>> Try something like
>> def zerofy!
>>   sprintf("%02d", self)
>> end
>> 
>
> or
> class Numeric
>   def pad(length)
>     "%0#{length}i" % self
>   end
> end
>
> 10.pad(3) => "010"

or, even cleaner:

irb(main):002:0> "%0*d" % [3, 10]
=> "010"

> regards,
>
> Brian

-- 
Christian Neukirchen  <chneukirchen@gmail.com>  http://chneukirchen.org