From: Wilson Bilkovich <wilsonb@...>
Date: 2006-10-19T07:09:55+09:00
Subject: Re: too complex for me...

On 10/18/06, Josselin <josselin@wanadoo.fr> wrote:
> I need help from a ruby master... it's too hard with my present
> understanding, any starting key will be apprciated ....
>
> from a period range [start_date, end_date] in ayear ,  I need to
> produce a list of special days like the following :
> ["2006-10-12","2006-11-08"]  =>  { 10 :  [ 12 , 31], 11 : [ 1, 8] }
> or
> ["2006-10-12","2006-12-08"] =>  { 10 :  [ 12 , 31], 11 : [ 1, 30] , 12
> : [ 1, 12] }
> which means, for each month in the range
>         the month number : [ period covered in the month] ,
>
> where 'period covered in the month'  is
>  [  1st day of the period or 1st day of the month , last day of the
> period or last day of the month ]
>
> coudl I get any clue ?
>

The first step, I would say, should be to convert your values from
strings into real Date objects.
require 'date'
d1 = Date.new 2006, 10, 12
d2 = Date.new 2006, 12, 8

date_range = (d1..d2)
date_range.each do |date|
 puts date
end

You can then collect up the months and days into whatever format
you're looking for.