Use shell in android to send a picture via telegram or signal
While i find good documentations on how to sending plain text via messengers through the android shell, I'm having a hard time figuring out how to send pictures with this method. Messengers could be Signal or Telegram, whatever is easiest. My plan is a fully automatized old android phone that takes a photo after boot, sends it through my messenger (not Email) and then shuts down again. Everything works, but not the sending of the photo.
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