From: William Stevens <wfspoet@...>
Date: 2006-05-03T23:42:04+09:00
Subject: Re: Array.include? strangeness

Hi,
See comment below
Martin Smith wrote:
> 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
          ^
          |-- this operation leaves a space at the end of each word.

>       |word|
>       logger.debug "checking if word " + word + " is common"
>       if !@common_words.include?(word)
               ^
               |-- replace with '!@common_words.include?(word.strip)' 
and it should work fine
>         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

good luck

Bill Stevens

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