Issue #14075 has been updated by nobu (Nobuyoshi Nakada).

Status changed from Open to Closed

I think it is intended.
`dirname` for a path without directory is ".", and this does not come from the argument string.

----------------------------------------
Bug #14075: File.dirname("path without dir".taint) returns untainted string
https://bugs.ruby-lang.org/issues/14075#change-68198

* Author: znz (Kazuhiro NISHIYAMA)
* Status: Closed
* Priority: Normal
* Assignee: 
* Target version: 
* ruby -v: 
* Backport: 2.3: UNKNOWN, 2.4: UNKNOWN
----------------------------------------
Is this intentional?

```
% ruby -e 'p [File.dirname("foo/bar".taint).tainted?, File.dirname("hoge".taint).tainted?]'
[true, false]
```



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