Nick Black wrote:
> Hello,
> 
> I have a number of arrays within arrays.  Some of them are duplicatess 
> like:
> 
> [[foo, bar, ru, by], [ru], [bar, foo], [foo, bar, ru, by]]
> 
> I would like to remove duplicates to end up with:
> 
> [[foo, bar, ru, by], [ru], [bar, foo]]
> 
> Is there a Ruby function to do this?

irb(main):007:0> [['foo', 'bar', 'ru', 'by'], ['ru'], ['bar', 'foo'], 
['foo', 'bar', 'ru', 'by']].uniq
=> [["foo", "bar", "ru", "by"], ["ru"], ["bar", "foo"]]

-- 
Alex