$pack
./Usage STRINGS [MODE] [ARCH]
[MODE]
--little : data sort with little-endian (DEFUALT)
--big : data sort with big-endian
[ARCH]
--64 : pack data 64bit (DEFAULT)
--32 : pack data 32bit
$pack howto?
INPUT
howto?
FORMAT
64bit Little-Endian
OUTPUT
0x3f6f74776f68
$pack howto? --big
INPUT
howto?
FORMAT
64bit Big-Endian
OUTPUT
0x686f77746f3f