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====== Option +col_sep+ Specifies the \String column separator to be used for both parsing and generating. The \String will be transcoded into the data's \Encoding before use. Default value: CSV::DEFAULT_OPTIONS.fetch(:col_sep) # => "," (comma) Using the default (comma): str = CSV.generate do |csv| csv << [:foo, 0] csv << [:bar, 1] csv << [:baz, 2] end str # => "foo,0\nbar,1\nbaz,2\n" ary = CSV.parse(str) ary # => [["foo", "0"], ["bar", "1"], ["baz", "2"]] Using +:+ (colon): col_sep = ':' str = CSV.generate(col_sep: col_sep) do |csv| csv << [:foo, 0] csv << [:bar, 1] csv << [:baz, 2] end str # => "foo:0\nbar:1\nbaz:2\n" ary = CSV.parse(str, col_sep: col_sep) ary # => [["foo", "0"], ["bar", "1"], ["baz", "2"]] Using +::+ (two colons): col_sep = '::' str = CSV.generate(col_sep: col_sep) do |csv| csv << [:foo, 0] csv << [:bar, 1] csv << [:baz, 2] end str # => "foo::0\nbar::1\nbaz::2\n" ary = CSV.parse(str, col_sep: col_sep) ary # => [["foo", "0"], ["bar", "1"], ["baz", "2"]] Using <tt>''</tt> (empty string): col_sep = '' str = CSV.generate(col_sep: col_sep) do |csv| csv << [:foo, 0] csv << [:bar, 1] csv << [:baz, 2] end str # => "foo0\nbar1\nbaz2\n" --- Raises an exception if parsing with the empty \String: col_sep = '' # Raises ArgumentError (:col_sep must be 1 or more characters: "") CSV.parse("foo0\nbar1\nbaz2\n", col_sep: col_sep)
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