[Bug 2154364] Re: sort -u is broken if no LANG is set
Collin Funk
2154364 at bugs.launchpad.net
Wed May 27 18:15:12 UTC 2026
This is a bug in uutils locale sorting. GNU coreutils behaves as
expected.
** Package changed: coreutils (Ubuntu) => rust-coreutils (Ubuntu)
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https://bugs.launchpad.net/bugs/2154364
Title:
sort -u is broken if no LANG is set
Status in rust-coreutils package in Ubuntu:
Confirmed
Bug description:
To reproduce:
$ echo -e pytest\\npy.test | sort -u
py.test
$ echo -e pytest\\npy.test | LANG=C sort -u
py.test
pytest
This has been fixed upstream. This breaks all sorts of things, most
prominently for me that `pyenv` will not install shims for `pytest`.
But there must be all sorts of things that rely on this behaviour
being correct that are (perhaps very subtly) broken.
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