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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--- !ruby/object:RI::MethodDescription 
aliases: []

block_params: 
comment: 
- !ruby/struct:SM::Flow::P 
  body: Open a CSV formatted file for reading or writing.
- !ruby/struct:SM::Flow::P 
  body: For reading.
- !ruby/struct:SM::Flow::P 
  body: EXAMPLE 1
- !ruby/struct:SM::Flow::VERB 
  body: "  CSV.open('csvfile.csv', 'r') do |row|\n    p row\n  end\n"
- !ruby/struct:SM::Flow::P 
  body: EXAMPLE 2
- !ruby/struct:SM::Flow::VERB 
  body: "  reader = CSV.open('csvfile.csv', 'r')\n  row1 = reader.shift\n  row2 = reader.shift\n  if row2.empty?\n    p 'row2 not find.'\n  end\n  reader.close\n"
- !ruby/struct:SM::Flow::P 
  body: ARGS
- !ruby/struct:SM::Flow::VERB 
  body: "  filename: filename to parse.\n  col_sep: Column separator.  ?, by default.  If you want to separate\n    fields with semicolon, give ?; here.\n  row_sep: Row separator.  nil by default.  nil means "\\r\\n or \\n".  If you\n    want to separate records with \\r, give ?\\r here.\n"
- !ruby/struct:SM::Flow::P 
  body: RETURNS
- !ruby/struct:SM::Flow::VERB 
  body: "  reader instance.  To get parse result, see CSV::Reader#each.\n"
- !ruby/struct:SM::Flow::P 
  body: For writing.
- !ruby/struct:SM::Flow::P 
  body: EXAMPLE 1
- !ruby/struct:SM::Flow::VERB 
  body: "  CSV.open('csvfile.csv', 'w') do |writer|\n    writer << ['r1c1', 'r1c2']\n    writer << ['r2c1', 'r2c2']\n    writer << [nil, nil]\n  end\n"
- !ruby/struct:SM::Flow::P 
  body: EXAMPLE 2
- !ruby/struct:SM::Flow::VERB 
  body: "  writer = CSV.open('csvfile.csv', 'w')\n  writer << ['r1c1', 'r1c2'] << ['r2c1', 'r2c2'] << [nil, nil]\n  writer.close\n"
- !ruby/struct:SM::Flow::P 
  body: ARGS
- !ruby/struct:SM::Flow::VERB 
  body: "  filename: filename to generate.\n  col_sep: Column separator.  ?, by default.  If you want to separate\n    fields with semicolon, give ?; here.\n  row_sep: Row separator.  nil by default.  nil means "\\r\\n or \\n".  If you\n    want to separate records with \\r, give ?\\r here.\n"
- !ruby/struct:SM::Flow::P 
  body: RETURNS
- !ruby/struct:SM::Flow::VERB 
  body: "  writer instance.  See CSV::Writer#<< and CSV::Writer#add_row to know how\n  to generate CSV string.\n"
full_name: CSV::open
is_singleton: true
name: open
params: (path, mode, fs = nil, rs = nil, &block)
visibility: public