Get all keys and values from Redis

GetRedis.scala

using: "net.debasishg" %% "redisclient" % "2.11"

// GetRedis.apply will print out all the keys and values in a csv list
object GetRedis {
  import com.redis.{RedisClient, RedisClientPool}
  def apply = {
    val rcp = new RedisClientPool(
      sys.env.getOrElse("REDIS_HOST", "localhost"),
      6379
    )
    val keys = rcp.withClient(c => c.keys("*")).get.flatMap { k => k }
    val keysValues = keys map { k => rcp withClient { c => (k, c.get(k).get) } }
    keysValues foreach {
      case (k, v) => println(s"${k},${v}")
    }
    println(s"\n\nNum of keys and values = ${keys.size}")
  } 
}