r - readLines 函数丢失内容显示一小部分

Question

为什么我无法读取下载的文件readLines？我该如何阅读它？

url="http://www.hkex.com.hk/chi/market/sec_tradinfo/stockcode/eisdeqty_c.htm"
txt=download.file(url,destfile="stock")
> file1=readLines("stock",encoding="big5")
Warning messages:
1: In readLines("stock", encoding = "big5") :
invalid input found on input connection 'stock'
2: In readLines("stock", encoding = "big5") :
incomplete final line found on 'stock'
> file1=readLines("stock",encoding="gbk")
Warning messages:
1: In readLines("stock", encoding = "gbk") :
invalid input found on input connection 'stock'
2: In readLines("stock", encoding = "gbk") :
incomplete final line found on 'stock'
> file1=readLines("stock",encoding="gb2132")
Warning messages:
1: In readLines("stock", encoding = "gb2132") :
invalid input found on input connection 'stock'
2: In readLines("stock", encoding = "gb2132") :
incomplete final line found on 'stock'
> file1=readLines("stock",encoding="gb18030")
Warning messages:
1: In readLines("stock", encoding = "gb18030") :
 invalid input found on input connection 'stock'
2: In readLines("stock", encoding = "gb18030") :
incomplete final line found on 'stock'

文件只包含部分内容，很多内容丢失，为什么？

Answer 1

该文件包含 18 行，我的 R 读取了所有这 18 行。我怀疑您试图忽略文本文件和 HTML 文件之间的区别。要提取 HTML 表格，您需要使用类似这样的东西。