Hmm I had some experience with Telegram bots. So if the case is that you just need the notification about new message to the stdout of the command line, I would suggest Telethon library. It acts as usual client, therefore it's not a bot and you don't have to register it at BotFather. Yet you'll have to create an application for https://my.telegram.org/apps and get credentials from there. Also check out unofficial... Source: almost 2 years ago

Check this out then https://github.com/vysheng/tg. Source: over 2 years ago

Fair enough, that seems to be the best course of action. From the Telegram website they list this unofficial CLI app, guaranteed this one won't take any GPU resources. Source: almost 3 years ago

I tried a couple of those projects (to even somehow script them to make it automatic/daily) but no use. There is https://github.com/vysheng/tg which I was able to use to connect to telegram but trying to use https://github.com/tvdstaaij/telegram-history-dump/ failed with exception (mostly because of Ruby). Source: almost 3 years ago

In this case, we are lucky. We have a well-supported CLI application, telegram-cli. To try this, after installing, run:. - Source: dev.to / about 3 years ago

It seems the only option left is to have one of the officers create contacts for all the members and then use a 3rd party shared contacts tool to manage that. The tools I am looking at are: https://sharedcontactsmanager.com/ and gmailsharedcontacts.com. Source: over 2 years ago