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converters.rdoc
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empty_value.rdoc
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field_size_limit.rdoc
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header_converters.rdoc
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headers.rdoc
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liberal_parsing.rdoc
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nil_value.rdoc
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return_headers.rdoc
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skip_blanks.rdoc
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skip_lines.rdoc
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strip.rdoc
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unconverted_fields.rdoc
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Editing: converters.rdoc
====== Option +converters+ Specifies converters to be used in parsing fields. See {Field Converters}[#class-CSV-label-Field+Converters] Default value: CSV::DEFAULT_OPTIONS.fetch(:converters) # => nil The value may be a field converter name (see {Stored Converters}[#class-CSV-label-Stored+Converters]): str = '1,2,3' # Without a converter array = CSV.parse_line(str) array # => ["1", "2", "3"] # With built-in converter :integer array = CSV.parse_line(str, converters: :integer) array # => [1, 2, 3] The value may be a converter list (see {Converter Lists}[#class-CSV-label-Converter+Lists]): str = '1,3.14159' # Without converters array = CSV.parse_line(str) array # => ["1", "3.14159"] # With built-in converters array = CSV.parse_line(str, converters: [:integer, :float]) array # => [1, 3.14159] The value may be a \Proc custom converter: (see {Custom Field Converters}[#class-CSV-label-Custom+Field+Converters]): str = ' foo , bar , baz ' # Without a converter array = CSV.parse_line(str) array # => [" foo ", " bar ", " baz "] # With a custom converter array = CSV.parse_line(str, converters: proc {|field| field.strip }) array # => ["foo", "bar", "baz"] See also {Custom Field Converters}[#class-CSV-label-Custom+Field+Converters] --- Raises an exception if the converter is not a converter name or a \Proc: str = 'foo,0' # Raises NoMethodError (undefined method `arity' for nil:NilClass) CSV.parse(str, converters: :foo)
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