Yea Tom, that be exactly the issue.

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Guess I just don't get it, Why such a simple thing is so difficult.

Decode the input, Encode the output, read perlunitut: Unicode in Perl#I/O flow (the actual 5 minute tutorial) and learn about your shell

$ chcp
Active code page: 437

$ echo >  "da-MötleyCrüe"

$ dir /b "da-*"
da-MötleyCrüe

$ dir /b "da-*" | perl -MData::Dump -e " dd[<>] "
["da-M\x94tleyCr\x81e\n"]

$ perl -MData::Dump -e " dd[ glob q/da-*/ ] "
["da-M\xF6tleyCr\xFCe"]
[download]

Single byte encoding can be hard to guess

$ perl -MEncode::Detective=detect -le " die detect( glob q/da-*/ ) "
windows-1252 at -e line 1.

$ perl -MEncode::Guess -e " die guess_encoding( glob q/da-*/ ) "
No appropriate encodings found! at -e line 1.

$ dir /b "da-*" | perl -MEncode::Detective=detect -e " $f = <>; die de
+tect($f ) "
Died at -e line 1, <> line 1.

$ dir /b "da-*" | perl -MEncode::Guess -e " $f = <>; die guess_encodin
+g($f )  "
No appropriate encodings found! at -e line 1, <> line 1.

$ dir /b "da-*" | perl -MEncode::Guess -e " $f = <>; die guess_encodin
+g($f , q/cp437/)  "
Encode::XS=SCALAR(0x9a622c)
$ dir /b "da-*" | perl -MEncode::Guess -e " $f = <>; die guess_encodin
+g($f , q/cp437/)->name  "
cp437 at -e line 1, <> line 1.
[download]

But once you know, just binmode
$ perl -le " print for glob q/da-*/ "
da-M÷tleyCrⁿe

$ perl -le " binmode STDOUT , q/:encoding(cp437)/; print for glob q/da-*/ "
da-MötleyCrüe

$ perl -Mopen=:std,encoding(cp437) -le " print for glob q/da-*/ "
da-MötleyCrüe

$ perl -MEncode::Locale -le " binmode STDOUT, q{encoding(console_out)}; print for glob q/da-*/ "
da-MötleyCrüe