script to get, update and extend the TTL value of all the redis keys

redis.sh

## extend all the redis TTL keys
redis-cli keys '*' | xargs -n1 -I {} /bin/bash -c 'redis-cli expire {} $(redis-cli ttl {} | xargs -I{} echo {} + EXTEND_VALUE | bc)'

## update all the redis keys with new ttl value
redis-cli KEYS '*' | xargs -I{} redis-cli EXPIRE {} EXPIRE_VALUE

## get all the redis TTL keys
redis-cli KEYS '*' | xargs -I{} redis-cli TTL {}