shithub: rc

ref: 5e6bd6f2655721469ef462d7bcbb39014b8bb727
dir: rc/unhex

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#!/bin/awk -f
# dd ... | xd -1x | ssam '...' | unhex | dd ...
function hex(s, v){
	if(s ~ /^0x/)
		s = substr(s, 3)
	for(n=1; n<=length(s); n++)
		v = v * 16 + h[substr(s, n, 1)]
	return v
}
BEGIN{
	for(n=0; n<16; n++)
		h[sprintf("%x", n)] = n
}
{
	for(i=2; i<=NF; i++)
		printf "%c", hex("0x" $i)
}