# get a 5-byte string, skip 3, grab 2 8-byte strings, then the rest ($leading, $s1, $s2, $trailing) = unpack("A5 x3 A8 A8 A*",$data); #### $string = "My uncle John is Jamaica"; $binary=unpack("B*",$string); #### $string = "My uncle John is Jamaica"; $hexadecimal=unpack("H*",$string); $string=pack("H*",$hexadecimal);