From: Josselin <josselin@...>
Date: 2007-02-25T04:05:05+09:00
Subject: Re: using step backward ?

On 2007-02-24 19:51:16 +0100, "Phrogz" <gavin@refinery.com> said:

> On Feb 24, 10:59 am, Josselin <josse...@wanadoo.fr> wrote:
>> 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<
> 
> irb(main):001:0> myArray = ["22", "31", "56", "89", "47"]
> => ["22", "31", "56", "89", "47"]
> irb(main):002:0> last = myArray.pop
> => "47"
> irb(main):003:0> myArray.join('#')+">#{last}<"
> => "22#31#56#89>47<"

thanks it runs well for 1or n > 2 items but not for 2 items

myArray = ["22", "31"]
=> ["22", "31"]
irb(main):002:0> last = myArray.pop
=> "31"
irb(main):003:0> myArray.join('#')+">#{last}<"
=> "22>31<"

I should get "22#>31<",   the # must come after each item excepted the last..