redis lua update sample

a.lua

redis.replicate_commands()

local cr = 0
local b = {}
while true do
	local a = redis.call("SCAN", cr, "MATCH", "????", "COUNT", 10)

	for i, v in ipairs(a[2]) do
		local j = cjson.encode({v, v, v})
		redis.call("SET", v, j)
		b[v] = j
	end

	cr = a[1]
	if cr == "0" then
		break
	end
end

return cjson.encode(b)

a.sh

function redis_bulk() {
    printf "*%d\r\n" "${#@}"
    for x in "${@}"; do
        printf "$%d\r\n%s\r\n" $(gecho -ne "$x" | wc -c) "$x"
    done
}

for x in {1..100}; do
    redis_bulk SET "$(printf "%04d" $x)" hoge$x
done | redis-cli --pipe

redis-cli --eval a.lua | jq .