use strict; use warnings; 
use File::Find;

  my @finds=('D:/goodies/pdhuck/down1/perl/monks/winsorts'); 

  my @fns=(); 

  my $sub_want_info2 =sub { push @fns,$File::Find::name if -f $File::F
+ind::name; };

  find({wanted=>$sub_want_info2,no_chdir=>1}, @finds);

    use Encode qw/encode decode from_to/;
    ##http://code.activestate.com/lists/activeperl/21182/
    ##https://gist.github.com/whitebell/5692575
    my %fnt; 
    for my $fn (@fns) {$fnt{encode('UTF-16LE', decode('UTF-8', $fn))}=
+$fn;} 

    use Win32::API;

    my $f = Win32::API->new("shlwapi.dll", "StrCmpLogicalW", "PP","I")
+;
    my @fnts=sort { $f->Call($a, $b) } keys %fnt; 
    @fns=(); 
    for my $fntt (@fnts){ push @fns,$fnt{$fntt};} 


    for my $fn (@fns){ print $fn."\n";}
[download]

result

D:/goodies/pdhuck/down1/perl/monks/winsorts/a1
D:/goodies/pdhuck/down1/perl/monks/winsorts/u2
D:/goodies/pdhuck/down1/perl/monks/winsorts/u100
D:/goodies/pdhuck/down1/perl/monks/winsorts/u200
[download]