From: teresa nuagen <s-unguyen2@...>
Date: 2011-10-17T14:02:03+09:00
Subject: Re: writing a poem backwards or in reverse order

botp wrote in post #1026966:
> On Mon, Oct 17, 2011 at 12:25 PM, teresa nuagen
> <s-unguyen2@huskers.unl.edu> wrote:
>> I'm struggling on how to approach the method using "string#split" I'm
>> unsure of how to divide each line into words and iterating it from last
>> word to first word, and then writing it in reverse order.
>
> break down the problem into smaller ones.
>
> eg,
>
> s=<<-HERE
> waiting for hours
> wet at first, in the cold dark
> just to be gulped down
> HERE
> #=> "waiting for hours\nwet at first, in the cold dark\njust to be
> gulped down\n"
>
> a1=s.split "\n"
> #=> ["waiting for hours", "wet at first, in the cold dark", "just to
> be gulped down"]
>
> a2=a1.reverse
> #=> ["just to be gulped down", "wet at first, in the cold dark",
> "waiting for hours"]
>
> a3=a2.map{|s| s.split.reverse.join(" ")}
> #=> ["down gulped be to just", "dark cold the in first, at wet",
> "hours for waiting"]
>
> a4=a3.map{|s| s.split.map{|w| w.split(//).reverse.join}}
> #=> [["nwod", "deplug", "eb", "ot", "tsuj"], ["krad", "dloc", "eht",
> "ni", ",tsrif", "ta", "tew"], ["sruoh", "rof", "gnitiaw"]]
>
> a4=a3.map{|s| s.split.map{|w| w.split(//).reverse.join}.join(" ")}
> #=> ["nwod deplug eb ot tsuj", "krad dloc eht ni ,tsrif ta tew",
> "sruoh rof gnitiaw"]
>
> puts a4
> nwod deplug eb ot tsuj
> krad dloc eht ni ,tsrif ta tew
> sruoh rof gnitiaw
> #=> nil

alright, so lets say this is an example:

While moon sets
atop the trees,
leaves cling to rain.

and I have to transform it into this:
rain. to cling leaves
trees, the atop
sets moon While

The program I will be writing is a lot longer poem, so I'm just using 
this short haiku as an example. Can you help me approach it using the 
same method as how you explained it above?

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