From: "colorbox (box color)" <noreply@...>
Date: 2022-11-28T09:35:30+00:00
Subject: [ruby-core:111035] [Ruby master Misc#19155] documentation of Pathname#join with absolute path

Issue #19155 has been reported by colorbox (box color).



----------------------------------------

Misc #19155: documentation of Pathname#join with absolute path

https://bugs.ruby-lang.org/issues/19155



* Author: colorbox (box color)

* Status: Open

* Priority: Normal

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Pathname#join ignores previous directory name before absolute path



Is this intentional?



```irb

irb(main):002:0> require 'pathname'

=> true

irb(main):003:0> Pathname('/foo').join('bar', 'baz')

=> #<Pathname:/foo/bar/baz>

irb(main):004:0> Pathname('/foo').join('bar', '/baz')

=> #<Pathname:/baz>

irb(main):005:0> 



������ ruby -v

ruby 3.0.4p208 (2022-04-12 revision 3fa771dded) [x86_64-darwin19]

```



I found that this behavior is intentional from test code but I cannot found reason.

https://github.com/ruby/pathname/blob/master/test/pathname/test_pathname.rb#L248-L261



There was no description of this behavior in the documentation.









-- 

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