show unknown data in hex

diff --git a/unpack.pl b/unpack.pl
index 66f4c33..9ffb3ec 100755 (executable)
--- a/unpack.pl
+++ b/unpack.pl
@@ -74,7 +74,7 @@ while ( $data ) {
        my $data_id = unpack( 'C', substr($data,0,1) );
        if ( ! exists( $protocol->{$data_id}->{description} ) ) {
                my $len = unpack('C', substr($data,1,1));
-               printf "ERROR: no description for data_id %d 0x%2x len %d SKIPPING!\n", $data_id, $data_id, $len;
+               printf "ERROR: no description for data_id %d 0x%2x len %d [%s] SKIPPING!\n", $data_id, $data_id, $len, unpack('H*', substr($data,2,$len));
                $data = substr($data,2 + $len);
                next;
        }