您可以通过以下方式检查模块的安装路径:

You can check for a module's installation path by:

perldoc -l XML::Simple

单行的问题在于，它不是递归遍历目录/子目录.因此，您只能获得实用的模块名称作为输出.

The problem with your one-liner is that, it is not recursively traversing directories/sub-directories. Hence, you get only pragmatic module names as output.