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brookr/to_inventory.rb

Created May 8, 2012 17:10
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Get a human-readable listing of what is in an array in Rails.
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to_inventory.rb
class Array
include ActionView::Helpers::TextHelper
def to_inventory
c = {}
each { |e| c[e.class.name] = c[e.class.name].to_i + 1 }
c.sort.map{ |k, v| pluralize(v, k) }.to_sentence
end
end
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