On 04/29/2023 9:26 AM, Bram Moolenaar wrote:
>
>> Briefly, I have a case where glob("*.ext") returns more files than I
>> expect.
>>
>> To give an example, in a directory of your choice create two files named
>> "test.any" and "zest.anyother". The important detail is that the second
>> filename's extension be prefixed by the first filename's extension.
>>
>> Then launch Vim in that directory and run the command
>> :echo glob("*.any")
>> Both files are returned, not just "test.any".
>>
>> I see this on Windows running vim 9.0.1240 with normal features built
>> with Visual C. On the other hand, Vim on my linux box returns only
>> "test.any", as I would expect, so I don't think this a feature. :)
>>
>> Any comments?
>
> What file system is being used?
Windows 10 with NTFS.
Some older filesystems use a trick to
> make long file names possible. The file then appears twice in the
> directory, once with the short name and once with the long name. Vim
> may find a match with the short name, includes it in the list of
> matches and then expands it to the long name.
> See https://en.wikipedia.org/wiki/Long_filename
>
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