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EDIT :: nil_value.rdoc

====== Option +nil_value+ Specifies the object that is to be substituted for each null (no-text) field. Default value: CSV::DEFAULT_OPTIONS.fetch(:nil_value) # => nil With the default, +nil+: CSV.parse_line('a,,b,,c') # => ["a", nil, "b", nil, "c"] With a different object: CSV.parse_line('a,,b,,c', nil_value: 0) # => ["a", 0, "b", 0, "c"]

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