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directory?

        # File::Stat.directory?

(from ruby core)
### Implementation from Stat
---
    File.directory?(file_name)   ->  true or false

---

Returns `true` if the named file is a directory, or a symlink that
points at a directory, and `false` otherwise.

*file_name* can be an IO object.

    File.directory?(".")



      

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