如何检查"s"是否正确?权限位在Linux shell上设置了吗?还是Perl? [英] How to check if "s" permission bit is set on Linux shell? or Perl?

问题描述

我正在编写一些脚本来检查是否为特定文件设置了"s"权限位. 例如-我的文件的权限如下-

I am writing some scripts to check if the "s" permission bit is set for a particular file. For example - permissions for my file are as follows-

drwxr-s---

如果未设置该位，如何检入bash脚本或perl脚本?

How can I check in bash script or a perl script if that s bit is set or not?

推荐答案

如果您使用的是perl，请查看

If you're using perl, then have a look at perldoc:

-u  File has setuid bit set.
-g  File has setgid bit set.
-k  File has sticky bit set.

所以像这样:

if (-u $filename) { ... }

这篇关于如何检查"s"是否正确?权限位在Linux shell上设置了吗?还是Perl?的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！