symlink - 如何停止递归符号链接(symbolic link)

Question

我有以下文件夹:

• 文件夹A
  • 文件夹 B(这是指向文件夹 A 的符号链接(symbolic link))

问题是，当我访问文件夹 B 时，我可以无限深入(即文件夹 A > 文件夹 B > 文件夹 B > 文件夹 B)，因为文件夹 B 在文件夹 A 中。

有没有办法在通过文件夹 A 访问文件夹 B 后忽略它？

非常感谢!

Answer 1

find 命令检测符号链接(symbolic link)循环并将打印警告消息而不是重复遍历它们。例如，使用 -L 选项跟随符号链接(symbolic link)可能会打印此警告:

$ find -L /some/path

find: File system loop detected; `/some/path/link' is part of the same file system loop as `/some/path'.

来自手册页:

          The find utility shall detect infinite loops; that is,
          entering a previously visited directory that is an ancestor of
          the last file encountered.  When it detects an infinite loop,
          find shall write a diagnostic message to standard error and
          shall either recover its position in the hierarchy or
          terminate.