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Duane Johnson http://blog.inquirylabs.com/

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Array#randomly_pick( n )

Adds a handy function that lets you randomly pick n elements from an array.

class Array
  # If +number+ is greater than the size of the array, the method
  # will simply return the array itself sorted randomly
  def randomly_pick(number)
    sort_by{ rand }.slice(0...number)
  end
end
to ruby random array pick by canadaduane on Jan 17, 2006 3 Comments
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