comp.lang.ruby

Harry Kakueki

5/11/2007 3:56:00 AM

On 5/11/07, Harry Kakueki <list.push@gmail.com> wrote:
> On 5/11/07, Mike Steiner <mikejaysteiner@gmail.com> wrote:
> > I'm trying to write some code that removes all elements from 2 lists that
> > are in both lists. However, I don't want any duplicates from each list
> > deleted also (which is what the array "-" operator does). The code I have
>
> If I understand correctly, I think this does what you want.
>
Oops! Correction.

arr1 = %w[a a a b b b c d d e e]
arr2 = %w[a b b b c c c d d d d d e a b]

str1 = arr1.to_s
str2 = arr2.to_s

(arr1 & arr2).each do |x|
str1.sub!(x,"")
str2.sub!(x,"")
end

p str1.split(//)
p str2.split(//)


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