is there any way to save all text-data from a telegram channel using a bot?

Question

I need to save all text-data from a public channel of telegram in a text file. (so I can do some analysis on it later) is it possible to write a bot that can do such thing?

Answer 1

There is a project https://github.com/xtrime-ru/TelegramApiServer that allows you to fetch Telegram public channel in forms of JSON.

Its testing site is https://tg.i-c-a.su/

Answer 2

Follow the instruction below:

• Open the group in the Telegram Desktop app.
• Click on three dots on the top-right corner.
• Choose Export chat history
• Select everything you want (in checkmark list)
• Choose the maximum size of videos and pictures you want
• Choose a folder by clicking on the destination in the link bottom
• Start to export

Everything (Docs, Medias, Chats, ...) will be exported in the desired folder.
Done!

Answer 3

It's possible only for groups. If you disable privacy mode for the bot. But channels don't allow it. You can add bot as administrator of channel, but bot won't receive messages sending by other administrators.