redis move keys

mvkey.lua

local kys = redis.call('KEYS', '*') 
for _, key in ipairs(kys) do 
    redis.call('MIGRATE', 'dst_host', 'dst_port', key, 'dst_db', 1000, 'replace') 
end
return 1

// one line eval
eval "local kys = redis.call('KEYS', '*') for _, key in ipairs(kys) do redis.call('MIGRATE', 'dst_host', 'dst_port', key, 'dst_db', 1000, 'replace') end; return 1" 0