From: Robert Klemme <shortcutter@...>
Date: 2009-04-03T15:29:34+09:00
Subject: Re: An array problem

On 03.04.2009 07:09, George George wrote:
>> You want #include? instead of #detect:
>>
>> a.each do |el|
>>   case
>>     when b.include? el
>>       puts "#{el} -b"
>>     when c.include? el
>>       puts "#{el} -c"
>>   end
>> end
> 
> Thanks a lot Robert, However this solution does not seem to preserve the 
> order in of array a.
> for example if array a contained
> a = ["x","y","z","f"]
> b = ["y","z"]
> c = ["x","f"]
> 
> the result should be
> 
> x-c
> y-b
> z-b
> f-c

I don't see how the order in a could not be preserved.  Please check 
again oder provide full code.

Kind regards

	robert