Win32::APIを使った再現スクリプト

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#!/usr/local/bin/perl
use strict; use utf8; use warnings;
use Data::Dumper; use Encode; use File::Spec; use FindBin; use Win32::API;
Win32::API::Struct->typedef('FILETIME', qw(
DWORD dwLowDateTime; DWORD dwHighDateTime;)) or die $!;
Win32::API::Struct->typedef('WIN32_FIND_DATA', qw(
DWORD dwFileAttributes; FILETIME ftCreationTime; FILETIME ftLastAccessTime;
FILETIME ftLastWriteTime; DWORD nFileSizeHigh; DWORD nFileSizeLow;
DWORD dwReserved0; DWORD dwReserved1; TCHAR cFileName[260];
TCHAR cAlternateFileName[14];)) or die $!;
my $FindFirstFile = Win32::API->new('kernel32', 'FindFirstFile', 'PS', 'N') or die $!;
my $FindNextFile = Win32::API->new('kernel32', 'FindNextFile', 'NS', 'I') or die $!;
my $FindClose = Win32::API->new('kernel32', 'FindClose', 'N', 'I') or die $!;
my $path = File::Spec->catdir($FindBin::Bin, '*');
my $FindData = Win32::API::Struct->new('WIN32_FIND_DATA') or die $!;
my $hFind = $FindFirstFile->Call($path, $FindData);
$hFind == -1 and die $!;
my @list = ($FindData->{cFileName});
push @list, $FindData->{cFileName} while $FindNextFile->Call($hFind, $FindData;
$FindClose->Call($hFind);
print Dumper(\@list);
__END__