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# bot.py
import os
import discord
from discord.ext import commands
from dotenv import load_dotenv

load_dotenv()
TOKEN = os.getenv('DISCORD_TOKEN')
GUILD = os.getenv('GUILD_TOKEN')
memberList = []


bot = commands.Bot(command_prefix='!')

# !here command to track all attendees. List will not have repeats.
# Enter the channel ID you want the bot to post in to reduce spam in main channels
@bot.command(name='here')
async def name(ctx):
    channel = bot.get_channel(int(Enter channel ID here))
    username = ctx.message.author.display_name
    seen = set(memberList)
    if username not in seen:
        seen.add(username)
        memberList.append(username)
    await channel.send('Thanks for joining us, ' + username + '!')

# !clear command to clear the list for reuse. You can input what role is able to use the command.
@bot.command(name='clear')
@commands.has_role(Role Able To Use Command)
async def clear_command(channel):
    channel = bot.get_channel(int(Enter channel ID here))
    memberList.clear()

    await channel.send('Clear!')


# error handling for when someone who doesn't have the designated role tries to clear the list
@clear_command.error
async def clear_error(ctx, error):
    if isinstance(error, commands.MissingRole):
        await ctx.send("Sorry, you don't have permission to do that!")


# !export command tells the bot to upload a downloadable text file listing all attendees
@bot.command(name='export')
async def export_command(channel):
    channel = bot.get_channel(int(Enter channel ID here))
    with open("file.txt", "w") as file:
        file.write(str(memberList))
    with open("file.txt", "rb") as file:
        await channel.send("Your file is:", file=discord.File(file, "file.txt"))
    await channel.send('Exported!')


bot.run(TOKEN)