advent-of-code/12021/06/06_new.awk

BEGIN{ FS = ","; ngen=256 }
{
	for(i=1;i<=NF;i++){
		c[$i]++
	}
}
END{
	for(g=1;g<=ngen;g++){
		for(i=0;i<=8;i++){
			nc[i] = c[(i+1)%9]
			if(i==6) nc[i] += c[0]
		}
		for(i in nc) c[i] = nc[i]
	}
	for(i in c) count+=c[i]
	print "total ", count
}