perl -CO -e" system q[ \perl64\bin\perl.exe -e\" print pack 'B8', '11111111'; \" | od -t x1 ]"
0000000 ff
0000001

perl -CO -e" system q[\perl64\bin\perl.exe -CO -e\"print pack 'B8', '11111111'; \" | od -t x1 ]"
0000000 c3 bf
0000002