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Can anyone tell me what format this uh.. nested dictionary is? (lemmy.nz)

submitted 11 months ago by luthis@lemmy.nz to c/linux@programming.dev

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I have a file with content like this:

item({
     ["attr"] = {
        ["size"] = "62091";
        ["filename"] = "qBuUP9-OTfuzibt6PQX4-g.jpg";
        ["stamp"] = "2023-12-05T19:31:37Z";
        ["xmlns"] = "urn:xmpp:http:upload:0";
        ["content-type"] = "image/jpeg";
     };
     ["key"] = "Wa4AJWFldqRZjBozponbSLRZ";
     ["with"] = "email@address";
     ["when"] = 1701804697;
     ["name"] = "request";
});

I need to know what format this is, and if there exists a tool in linux already to parse this or if I need to write one myself?

Thanks!

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[–] Knusper@feddit.de 1 points 11 months ago (1 children)

It looks similar in structure to JSON:

{
    "attr": {
        "size": "62091",
        "filename": "qBuUP9-OTfuzibt6PQX4-g.jpg",
        ...
    };
    "key": "Wa4AJWFldqRZjBozponbSLRZ",
     ...
}

So, it might be some JSON meta language. I just find it weird that it seems to contain all data, so you wouldn't use this for validating or templating JSON.

But ultimately, it also means with a handful of regex replacements, you could turn this particular file into JSON. Might make building your own parser almost trivial...

[–] luthis@lemmy.nz 2 points 11 months ago

Yeah, its real close to JSON but not.

I'm going to have to go a step deeper and find out what's going on in the code because this section is repeated many many times. It's not just this one that I need to parse.

.. It might even be easier to write my own parser like you said, because I need to take actions based on the date fields.