Redis Contents Describer

redis-inspect.rb

$redis = Redis.new

keys = $redis.keys('*')

keys_with_values = keys.inject({}) do |kwv, key|
  type = $redis.type(key)
  value = $redis.get(key) if type == 'string'
  value = $redis.scard(key) if type == 'set'
  value = $redis.hkeys(key) if type == 'hash'
  value = $redis.llen(key) if type == 'list'
  value = $redis.zcard(key) if type == 'zset'
  kwv[key] = { type: type, value: value }
  kwv
end

ap keys_with_values.sort { |(k1, v1), (k2, v2)| v1[:type] <=> v2[:type] }