The meme part does not work for some reason. Discord bot for those who don't know.

MyBot.cs

using Discord;
using Discord.Commands;

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication1
{
    class MyBot
    {
        DiscordClient discord;
        CommandService commands;

        Random rand;

        string[] freshestMemes;
        string[] randomJoke;

        public MyBot()
        {
            rand = new Random();

            randomJoke = new string[]
            {
                
            };

            freshestMemes = new string[]
            {
                
            };

            discord = new DiscordClient(x =>
            {
                x.LogLevel = LogSeverity.Info;
                x.LogHandler = Log;
            });

            discord.UsingCommands(x =>
            {
                x.PrefixChar = '-';
                x.AllowMentionPrefix = true;
            });

            commands = discord.GetService<CommandService>();

            RegisterMemeCommand();

            RegisterJokeCommand();

            discord.ExecuteAndWait(async () =>
            {
                await discord.Connect("<enter token here>", TokenType.Bot);
            });
        }

        private void RegisterMemeCommand()
        {
            commands.CreateCommand("meme")
                .Do(async (e) =>
                {
                    int randomMemeIndex = rand.Next(freshestMemes.Length);
                    string memeToPost = freshestMemes[randomMemeIndex];
                    await e.Channel.SendFile(memeToPost);
                });
        }

        private void RegisterJokeCommand()
        {
            commands.CreateCommand("joke")
                .Do(async (e) =>
                {
                    int randomJokeIndex = rand.Next(randomJoke.Length);
                    string jokeToPost = randomJoke[randomJokeIndex];
                    await e.Channel.SendMessage(jokeToPost);
                });
        }

        private void Log(object sender, LogMessageEventArgs e)
        {
            Console.WriteLine(e.Message);
        }
    }
}

Program.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace ConsoleApplication1
{
    class Program
    {
        static void Main(string[] args)
        {
            MyBot bot = new MyBot();
        }
    }
}