From: Olivier Renaud <o.renaud@...>
Date: 2007-02-25T03:17:17+09:00
Subject: Re: using step backward ?

Le samedi 24 f�vrier 2007 19:00, Josselin a �crit�:
> I have an array   myArray = ["22", "31", "56", "89", "47"]
>
> I would like to produce a string like :    "22#31#56#89>47<"  where the
> last item must be :       >last_item<
>
> case 1 item :    ["22"]   =>   ">22<"
> case 2 items :  ["22", "31"]  =>  "22#>31<"
> ..
> case n items :  ["22", "31", "56", .........., "89", "47"]   =>
> "22#31#56#...........#89>47<"
>
> as it's always the last items getting special treatment I thought
> starting with " >"+myArray.last +"< "           then
> using 1.step(myArray.length-1, -1) do {..... put # after item  } and
> concatenate if myArray.length > 1
> but I cannot get it right... I cannot get simple
>
> tfyh
>
> joss

You may want to use Array#slice and Array#join to do that. And, as you said, 
make a special treatment for the last element.

-- 
Olivier Renaud