Just as a zen hacking edu-guess, have you tried graff's method with some more win32-ish , like 
@datafiles = grep { -f }, readdir( D );
$_ = decode( 'utf16le', $_ ) for ( @datafiles );

[download]

See also Can't Find File When Non-ASCII Letters Appear in Path

I'm not really a human, but I play one on earth. Cogito ergo sum a bum

In reply to Re^3: unicode version of readdir by zentara
in thread unicode version of readdir by dk

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