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afeld/gist:70a6e16d8a2d85887dfa

Created October 20, 2014 05:44
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find duplicate Eventbrite orders
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gistfile1.rb
require 'csv'
require 'pp'
csv = CSV.read('/Users/aidan/Downloads/Orders-13196243319.csv')
emails = csv.map{|c| c.last.downcase }
dupes = emails.select{ |e| emails.count(e) > 1 }.uniq
dupes.each do |dupe|
puts dupe
end
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