#Get system language id to know German/US format of excels
Win32::API->Import('kernel32.dll', 'long GetSystemDefaultLangID()') or die "Can't import GetSystemDefaultLangID: $^E\n";
$langid = GetSystemDefaultLangID() & 0xFFFF or die "ERROR: LANGID Returned <undef>\n"; # Mask out the garbage in high-order bytes