use Encode;
use Win32::GuiTest qw(FindWindowLike);
 $line="�***Winow title in chinese**";
 binmode(STDOUT, ":utf8");
 print "$line\n"; #===> Here perl prints out some chinese text to the command console, but different from what is given in input file
 my @hwnd=Win32::GuiTest::FindWindowLike(undef,$line);
 if($hwnd[0])
 {
	print "window found\n";
 }
 else
 {
	print "window not found\n";
 }