I have a directory containing Latin, Cyrillic and Asian filenames.After listing the directory with a German locale it took me a good while to figure out how the files were sorted:
• Latin filenames are sorted alphabetically (obviously)• purely non-Latin filenames are sorted by their Unicode numbers (resulting in a pretty plausible order) • in filenames containing both Latin and non-Latin characters, the non-Latin ones are completely ignored, e.g. "三丐丑D" is treated like "D" • most confusingly, non-Latin filenames containing spaces (0x20, not non-breaking ones) are treated differently, resulting in this order:
$ LANG=de_DE.UTF-8 ls -1 «мно» абв абв где вгд где эюя 一丁丂 七七丅 三丐丑 абв где вгд ежз 丁丂 丆万丈 丒专 且丕 123 456 789 abc bc de bcd бвC cde 三丐丑D def xyzThe C.UTF-8 locale doesn’t treat the spaces differently, resulting in a less confusing list:
$ LANG=C.UTF-8 ls -1 123 456 789 abc bc de bcd cde def xyz «мно» абв абв где абв где бвC вгд вгд ежз где эюя 一丁丂 丁丂 丆万丈 七七丅 三丐丑 三丐丑D 丒专 且丕With a Russian locale you still get the files with mixed Chinese/Latin filenames interspersed with the Latin ones but no separate blocks of files with/without spaces:
$ LANG=ru_RU.UTF-8 ls -1 一丁丂 七七丅 三丐丑 丁丂 丆万丈 丒专 且丕 123 456 789 abc bc de bcd cde 三丐丑D def xyz абв абв где абв где бвC вгд вгд ежз где «мно» эюяWhile I assume the output above is allowed/required by a standard, I think it would be more helpful to merge the sorting of filenames with/without spaces.
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