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====== Option +write_converters+
Specifies converters to be used in generating fields.
See {Write Converters}[#class-CSV-label-Write+Converters]
Default value:
CSV::DEFAULT_OPTIONS.fetch(:write_converters) # => nil
With no write converter:
str = CSV.generate_line(["\na\n", "\tb\t", " c "])
str # => "\"\na\n\",\tb\t, c \n"
With a write converter:
strip_converter = proc {|field| field.strip }
str = CSV.generate_line(["\na\n", "\tb\t", " c "], write_converters: strip_converter)
str # => "a,b,c\n"
With two write converters (called in order):
upcase_converter = proc {|field| field.upcase }
downcase_converter = proc {|field| field.downcase }
write_converters = [upcase_converter, downcase_converter]
str = CSV.generate_line(['a', 'b', 'c'], write_converters: write_converters)
str # => "a,b,c\n"
See also {Write Converters}[#class-CSV-label-Write+Converters]