avrdude -c stk500 -p m8 -P /dev/ttyS0 -U hfuse:r:high.txt -U lfuse:r:low.txt od -d high.txt | head -1 | sed -e 's/0000000 *//' | \ xargs -i perl -e '$str= unpack("B32", pack("N",{})); $str =~ s/.*([01]{4})([01]{4})$/$1 $2/; \ print "$str\n";'