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sal
Asked: 2009-07-31 07:18:41 +0800 CST

如何在 unix 上查找权限不正确的文件？

  • 772

我正在寻找一种方法来搜索一个或多个目录并列出对公共目录具有错误权限的所有文件。

linux unix permissions find

3 个回答

  1. Best Answer

    你的问题可以更清楚地说明，尤其是。公共目录的“错误权限”是什么意思？

    假设您希望目录为 755，普通文件为 644，我会这样做：

    $ find \! -perm 644 -type f -o \! -perm 755 -type d
    • 16

  2. 这对我有用

    find .  \! -perm +755

    该\!标志表示不是，该-perm选项使用正常的 chmod 选项

    • 5

  3. 一切都取决于您认为“不正确的许可”是什么。man find通过定义在给定权限下查找文件/目录的方式来帮助您：

       -perm -mode
          All of the permission bits mode are set for the file.  Symbolic modes are
          accepted in this form, and this is usually the way in which would want to
          use them.  You must specify ‘u’, ‘g’ or ‘o’ if you use a  symbolic  mode.
          See the EXAMPLES section for some illustrative examples.

   -perm /mode
          Any of the permission bits mode are set for the file.  Symbolic modes are
          accepted in this form.  You must specify ‘u’, ‘g’ or ‘o’  if  you  use  a
          symbolic  mode.  See the EXAMPLES section for some illustrative examples.
          If no permission bits in mode are set, this test matches  any  file  (the
          idea here is to be consistent with the behaviour of -perm -000).

   -perm +mode
          Deprecated,  old  way  of  searching for files with any of the permission
          bits in mode set.  You should use -perm /mode instead. Trying to use  the
          ‘+’  syntax with symbolic modes will yield surprising results.  For exam‐
          ple, ‘+u+x’ is a valid symbolic mode (equivalent to +u,+x, i.e. 0111) and
          will  therefore  not be evaluated as -perm +mode but instead as the exact
          mode specifier -perm mode and so it matches files with exact  permissions
          0111  instead of files with any execute bit set.  If you found this para‐
          graph confusing, you’re not alone - just use -perm /mode.  This  form  of
          the -perm test is deprecated because the POSIX specification requires the
          interpretation of a leading ‘+’ as being part of a symbolic mode, and  so
          we switched to using ‘/’ instead.

    • 3

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