On 14/01/2022 18:22, Стефан Васильев wrote: >> Good question. My thought was that Telefax is still used, among > lawyers, doctors, business folks etc., and brand-new Fax machines > can be bought on Amazon etc.
+1 for obsolescence! Beware of course that fax machines are VERY noisy, and analogue lines are increasingly routed over VOIP, so if you're using this as some kind of off-grid technique you're not going to get very far. > Yes, do you know of any QR-code software (open source) which could > do that task automatically, i.e. split a large (encoded) message into > several QR-codes and reassemble later? I don't know about QR codes, but splitting a single file into multiple parts of a given size and reassembling them again can be done with the venerable unix utilities `split` and `cat`. A
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