use Win32::OLE('in');
use constant wbemFlagReturnImmediately => 0x10;
use constant wbemFlagForwardOnly => 0x20;
#use Win32::AdminMisc;

#Read from your selected file, make sure the path is right; you must use \\ or UNC \\\\
$computer="c:\\list\\hosts.txt \n";
open(DATA,$computer) or die "Could not open File!, check the path! \n";
@raw_list=<DATA>;
print @raw_list;
close(DATA)

foreach($computer, @raw_list); 
$objWMIService = Win32::OLE->GetObject
    ("winmgmts:\\\\$computer\\root\\CIMV2") or die "WMI connection failed.\n";
$colItems = $objWMIService->ExecQuery
    ("SELECT * FROM Win32_OperatingSystem","WQL",wbemFlagReturnImmediately | wbemFlagForwardOnly);

foreach my $objItem (in $colItems)
{
      print "Caption: $objItem->{Caption}\n";
      print "CSD Version: $objItem->{CSDVersion}\n";
      print "CS Name: $objItem->{CSName}\n";
      print "Name: $objItem->{Name}\n";
      print "Service Pack Major Version: $objItem->{ServicePackMajorVersion}\n";
      print "System Directory: $objItem->{SystemDirectory}\n";
      print "Windows Directory: $objItem->{WindowsDirectory}\n";
      print "\n";
}