From: Robert Dober <robert.dober@...>
Date: 2007-09-26T00:12:31+09:00
Subject: Re: array manipulation

On 9/25/07, Analogy Analogy <analogy47@aol.com> wrote:
> Hi Folks,
>
> I have a general newbie type question
> Say I have a 2D array that I obtained from an external program:
>
> array = [["a", "b", "", "c", "5"], ["d", "e", "f", "9.0", "7", "g", "",
> "", ""], ["", "h", "5", "", ""]]
>
>
> Is there a way to remove just the last two empty strings ("") in the
> last element, so the array will look like this:
>
> array = [["a", "b", "", "c", "5"], ["d", "e", "f", "9.0", "7", "g", "",
> "", ""], ["", "h", "5"]]
>
> I've looked at array.compact, but this removes all of the empty
> strings(""), plus I'd have to flatten the array to 1D, which is no good.
> Thanks in advance!
> --
> Posted via http://www.ruby-forum.com/.
>
>
2.times{ array.last.pop }

but is this really what you want? I mean are you not up to something
more general?
for example:
2.times{ array.last.pop if array.last.empty? }
do you see what I mean?

Cheers
Robert

-- 
I'm an atheist and that's it. I believe there's nothing we can know
except that we should be kind to each other and do what we can for
other people.
-- Katharine Hepburn