multiple JSON documents in one file, change proposal

Ben Bacarisse ben.usenet at
Sat Dec 1 13:50:00 EST 2018

Marko Rauhamaa <marko at> writes:

> Chris Angelico <rosuav at>:
>> On Sat, Dec 1, 2018 at 10:16 PM Marko Rauhamaa <marko at> wrote:
>>> and the framing format is HTTP. I will need to type something like this:
>>>    POST / HTTP/1.1^M
>>>    Host: localhost^M
>>>    Content-type: application/json^M
>>>    Content-length: 54^M
>>>    ^M
>>>    {
>>>        "msgtype": "echo-req",
>>>        "opid": 3487547843
>>>    }
>>> That's almost impossible to type without a syntax error.
>> 1) Set your Enter key to send CR-LF, at least for this operation.
>> That's half your problem solved.
> That can be much harder than typing ctrl-SPC. It *is* supported by
> netcat, for example, but then you have to carefully recompute the
> content-length field.
>> 2) Send the request like this:
>> POST / HTTP/1.0
>> Content-type: application/json
>> {"msgtype": "echo-req", "opid": 3487547843}
>> Then shut down your end of the connection, probably with Ctrl-D. I'm
>> fairly sure I can type that without bugs, and any compliant HTTP
>> server should be fine with it.
> If I terminated the input, I wouldn't need any framing. The point is to
> carry a number of JSON messages/documents over a single bytestream or in
> a single file. That means the HTTP content-length would be mandatory.

I haven't been following the details of the thread, but I wonder if a
multi-part form-data POST would be useful.  Way more complex than a
simple separator, of course, but more "standard" (for some rather vague
meaning of the term).


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