Thanks - I think the issue here is that registerLine is being called after the \r character, because I believe at some point there were some AT command devices that just used \r rather than \r\n. While it'd normally remove the newline in anything it passed, because data is being grabbed right after execution it's passing along the newline.

It's tempting to change the module to use \r\n, but I'd be quite worried that such a big behaviour change would break other modules that depended on it.

Are you encountering this with the https://github.com/espruino/EspruinoDocs/blob/master/devices/QuectelBG96.js module?

It seems that you could probably work around it using:

 at.getData(1, function(newline) {
    at.getData(lineSplittedUp[2], function(data) {
      console.log("Received data from peer: " + JSON.stringify(data));
    });
  });

Actually, please can you wait a bit on this? I'll see about changing the AT module for \r\n and will do some testing - it'd simplify a lot of things.

Are you encountering this with the https://github.com/espruino/EspruinoDocs/blob/master/devices/QuectelBG96.js module?

Yes. I am dealing with the RAK8212, so I took this file and adapted it to not create GPRS connections, but LTE-M NB1 "Narrowband IoT" connections.

It seems that you could probably work around it using:

I will try out. Thanks.

Ok, just done. That should improve things for you I hope, although you may need to tweak the handling of ATE0 in your copy (see the changes in espruino/EspruinoDocs@ebcb304)

Hopefully this doesn't cause problems with other AT-command based devices, but I guess we'll see!

As I mentioned in the forum, if you're happy to share it'd be great to be able to build your NB-IoT related changes into QuectelBG96.js

Thanks. Tried it out and it works.
As I am a Espruino newbie, I don't know how to tell the (native) Web IDE that it should fetch the new file from espruino.com/modules/AT.min.js instead going on to use the "old" file. I guess there somewhere is a local cache that I need to invalidate. Currently, I did just hard code the complete URL in the "require" statement.

Sharing: Sure, I will share, but currently I am still learning and trying to get things running without flaws.

Thanks - the IDE should always use the new version - everything's set to work without caching (it should work).

The only issue is if you have enabled 'offline mode' in which case it'll always work from the cache of offline modules that it downloaded.