晋太元中，武陵人捕鱼为业。缘溪行，忘路之远近。忽逢桃花林，夹岸数百步，中无杂树，芳草鲜美，落英缤纷。渔人甚异之，复前行，欲穷其林。 　　林尽水源，便得一山，山有小口，仿佛若有光。便舍船，从口入。初极狭，才通人。复行数十步，豁然开朗。土地平旷，屋舍俨然，有良田、美池、桑竹之属。阡陌交通，鸡犬相闻。其中往来种作，男女衣着，悉如外人。黄发垂髫，并怡然自乐。 　　见渔人，乃大惊，问所从来。具答之。便要还家，设酒杀鸡作食。村中闻有此人，咸来问讯。自云先世避秦时乱，率妻子邑人来此绝境，不复出焉，遂与外人间隔。问今是何世，乃不知有汉，无论魏晋。此人一一为具言所闻，皆叹惋。余人各复延至其家，皆出酒食。停数日，辞去。此中人语云：“不足为外人道也。”(间隔 一作：隔绝) 　　既出，得其船，便扶向路，处处志之。及郡下，诣太守，说如此。太守即遣人随其往，寻向所志，遂迷，不复得路。 　　南阳刘子骥，高尚士也，闻之，欣然规往。未果，寻病终。后遂无问津者。 sh-3ll

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====== Option +skip_blanks+

Specifies a boolean that determines whether blank lines in the input will be ignored;
a line that contains a column separator is not considered to be blank.

Default value:
  CSV::DEFAULT_OPTIONS.fetch(:skip_blanks) # => false

See also option {skiplines}[#class-CSV-label-Option+skip_lines].

For examples in this section:
  str = <<-EOT
  foo,0

  bar,1
  baz,2

  ,
  EOT

Using the default, +false+:
  ary = CSV.parse(str)
  ary # => [["foo", "0"], [], ["bar", "1"], ["baz", "2"], [], [nil, nil]]

Using +true+:
  ary = CSV.parse(str, skip_blanks: true)
  ary # => [["foo", "0"], ["bar", "1"], ["baz", "2"], [nil, nil]]

Using a truthy value:
  ary = CSV.parse(str, skip_blanks: :foo)
  ary # => [["foo", "0"], ["bar", "1"], ["baz", "2"], [nil, nil]]