basic ruby metaprogramming

metaprogramming.rb

class Array
  def remove(*args)
    string_params = ""
    args.each do |arg_item|
      string_params += arg_item
    end   
    flatten.collect { |k| k.delete string_params}
  end
 
  def repeat(int)
    initial_array = collect { |j| j.to_s.split * int}
    initial_array.flatten
  end
end

require 'meta-test.rb'
true
["one", "two", "three"].repeat(2)
["one", "one", "one", "two", "two" "three", "three"]
%w{one two three four five six}.remove("i","o")
["ne", "tw", "three", "fur", "fve", "sx"]