perl -e '
  use IO::Uncompress::Gunzip;
  use Encode;
  binmode(STDOUT, ":utf8");
  my $gin= IO::Uncompress::Gunzip->new("umlaut.gz");
  $_=<$gin>;
  $_ = Encode::decode("UTF-8", $_);
  print "  Compressed: $_ ",ord($_),"\n";
'