From: Martin Smith <linus141275@...>
Date: 2006-05-03T22:22:32+09:00
Subject: Array.include? strangeness

Array.include? doesn't seem to be telling me the truth.

Obviously this is _ME_ getting it wrong, but could somebody explain what 
is happening please.

1. First I set up ab array of common words

  def initialize
    @common_words = ["&", "and", "or", "ltd", "ltd.", "limited"]
  end

2. Here I check to see if the variable words contains any uncommon 
words, and return them in a new array

  def remove_common_words words
    ok_words = Array.new
    words.each(" ") do
      |word|
      logger.debug "checking if word " + word + " is common"
      if !@common_words.include?(word)
        logger.debug word + " is not common"
        ok_words << word
        logger.debug "ok_words: ".concat ok_words.to_s
      end
    end

    return ok_words
  end

3. And this is the simple test...

  def test_remove_common_words
    e = Entity.new
    x = e.remove_common_words "limited Martin & Steve's Company limited"

    puts x

  end

The output from the puts is: Uncommon words returned:limited Martin & 
Steve's Company

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