From: "trans.  (T. Onoma)" <transami@...>
Date: 2004-12-10T05:24:42+09:00
Subject: Re: String#split behaves odd

On Thursday 09 December 2004 02:04 pm, David A. Black wrote:
| Hi --
|
| On Fri, 10 Dec 2004, trans.  (T. Onoma) wrote:
| > On Thursday 09 December 2004 12:29 pm, Ibraheem Umaru-Mohammed wrote:
| > | ++ trans.  (T. Onoma) [ruby-talk] [10/12/04 00:43 +0900]:
| > | > That reminds me, do we have simple way to delete all empty strings
| > | > from an array, like compact is for nil?
| > |
| > | what's wrong with using Array#delete ?
| > |
| > |      --ibz.
| >
| > Right. I was thinking #delete only removed the first match it came to.
| > But no, it does remove them all. So simple enough. Thanks.
| >
| > BTW, I mis-tested Florian's example so disregard my last post on the
| > subject -- I see the point now.
|
| Small caveat: remember that Array#delete returns the thing deleted,
| not the array, so you can't chain it as you would #compact.

Good catch. Enough reason to have something for it, I think. I may add a 
general method to my libs:

  class Array
    def compact_on(n=nil)
      if n
        delete(n)
      else
        compact
      end
      self
    end
  end

Better name? Or better solution?

T.