Slap on the forehead!!
This monk begs your pardon...

I've found the cause for this strange behavior, the issue that the "dir-test" broke when running on Debian - this line: 
my $attr = int($mode) == 16895 ? FILE_ATTRIBUTE_DIRECTORY : FILE_ATTRI
+BUTE_NORMAL;

[download]
An old dirty hack more down my code, where I forgot about it. A line which in a stupid way testes against the two Win32-cases of dir/file... Works on Windows, but can't handle the richer responses from the Debian platform fs.

Thank you very much for the lecture everyone.
And for the monks who feel I wasted their time: they might take comfort from the fact that I, while this thread grew, went through possibly every iteration of oct(), hex(), sprintf("%5o",$mode), $isdir =~ /^40/, there is...

In reply to Re: POSIX::S_ISDIR() with $stat->mode values from Windows vs. Linux by isync
in thread POSIX::S_ISDIR() with $stat->mode values from Windows vs. Linux by isync

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