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Editing: write_empty_value.rdoc
====== Option +write_empty_value+ Specifies the object that is to be substituted for each field that has an empty \String. Default value: CSV::DEFAULT_OPTIONS.fetch(:write_empty_value) # => "" Without the option: str = CSV.generate_line(['a', '', 'c', '']) str # => "a,\"\",c,\"\"\n" With the option: str = CSV.generate_line(['a', '', 'c', ''], write_empty_value: "x") str # => "a,x,c,x\n"
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