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====== Option +unconverted_fields+ Specifies the boolean that determines whether unconverted field values are to be available. Default value: CSV::DEFAULT_OPTIONS.fetch(:unconverted_fields) # => nil The unconverted field values are those found in the source data, prior to any conversions performed via option +converters+. When option +unconverted_fields+ is +true+, each returned row (\Array or \CSV::Row) has an added method, +unconverted_fields+, that returns the unconverted field values: str = <<-EOT foo,0 bar,1 baz,2 EOT # Without unconverted_fields csv = CSV.parse(str, converters: :integer) csv # => [["foo", 0], ["bar", 1], ["baz", 2]] csv.first.respond_to?(:unconverted_fields) # => false # With unconverted_fields csv = CSV.parse(str, converters: :integer, unconverted_fields: true) csv # => [["foo", 0], ["bar", 1], ["baz", 2]] csv.first.respond_to?(:unconverted_fields) # => true csv.first.unconverted_fields # => ["foo", "0"]