format hex string using awk

gistfile1.txt

#!/bin/sh

awk '{ 
	split($0, chars, ""); 
	for (i=1; i<=length($0); i++) { 
		if (flagInLine == 0) { printf ("%-5d", i/32); flagInLine=1 }
		printf("%s%s ", chars[i], chars[i+1]);
		if ((i+1) % 32 == 0) { flagInLine=0; printf "\n"}
		i++
	}
}'