[ruby-core:96828] [Ruby master Feature#8709] Dir.glob should return sorted file list

[john@hawthorn.email]

Issue #8709 has been updated by jhawthorn (John Hawthorn).


One potential issue with this is that though globs which scanned directories (ex. `Dir.glob("foo/*")`) would return results in an inconsistent order, globs which used purely brace expansion (ex. `Dir.glob("foo/{a,b,c,d}")`) would return values predictably in the order listed.

Rails versions prior to 6.0 unfortunately relied on this behaviour (6.0+ in *most* cases doesn't and does sorting manually). It probably shouldn't have relied on it, but it did, and I fear other libraries or tools may have done the same.

We could possibly work around that by sorting when reading directory entries rather than sorting the full result, but that's more complicated to implement and would be hard to document as an exact behaviour developers can expect/rely upon.

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Feature #8709: Dir.glob should return sorted file list
https://bugs.ruby-lang.org/issues/8709#change-83826

* Author: tommorris (Tom Morris)
* Status: Open
* Priority: Normal
* Assignee: 
* Target version: 
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On OS X, Dir.glob and Dir[] return an ordered list of files.

On Ubuntu Linux, they do not and one must manually sort them.

Returning a list of files that isn't in order fails the Principle of Least Astonishment.

I attach a unit test to demonstrate ideal behaviour.

---Files--------------------------------
globtest.rb (454 Bytes)


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