Ruby CSV.line用法及代码示例

line → array

返回最近读取的行：

string = "foo,0\nbar,1\nbaz,2\n"
path = 't.csv'
File.write(path, string)
CSV.open(path) do |csv|
  csv.each do |row|
    p [csv.lineno, csv.line]
  end
end

输出：

[1, "foo,0\n"]
[2, "bar,1\n"]
[3, "baz,2\n"]