gistfile1.rb

# print a sorted list of all classes in the ruby vm sorted by count
#
def object_statistics(minimum = 2)
  counts = {}
  ObjectSpace.each_object do |o| 
    counts[o.class] = (counts[o.class] || 0) + 1
  end
  counts.to_a.reject {|k,v| v < minimum}.sort_by { |k,v| -v }.each { |k,v| puts "%6d " % v + k.to_s }
  nil
end