From: Josselin <josselin@...>
Date: 2007-02-25T08:30:12+09:00
Subject: Re: using step backward ?

On 2007-02-24 21:50:18 +0100, Gary Wright <gwtmp01@mac.com> said:

> 
> On Feb 24, 2007, at 1:00 PM, Josselin 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<
>> 
>> 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<"
> 
> I'm assuming you have a typo in that last case and want the
> string to end with: "#89#>47<".

YES .. sorry
>  It isn't clear how you would
> want an empty list formatted but here is one possibility:
> 
> $ cat format.rb
> 
> def format(list)
>    list[0..-2].push(">#{list.last}<").join('#')
> end
> 
> puts format([])
> puts format(%w{22})
> puts format(%w{22 31})
> puts format(%w{22 31 56})
> 
> $ ruby format.rb
>  ><
>  >22<
> 22#>31<
> 22#31#>56<

THAT's it......, very useful.. I put '#' and '>' '<' charcaters just to 
make it simple.. but the objective is to insert html tags
to format correctly an output string...
> 
> 
> 
> Gary Wright