this post was submitted on 11 Dec 2023
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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@lemmy.ml
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cross-posted from: https://lemmy.nz/post/4294116

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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[–] callyral@pawb.social 10 points 11 months ago* (last edited 11 months ago) (1 children)

Lua function "item" called with argument of type table

The function is the outer part with the parentheses, the table is the inner part with the curly braces. ["attr"] is a table inside the table.

For example, to access (table)>attr>size you would write: table["attr"]["size"] (assuming the table is named, that is, assigned to a variable called "table")

[–] moomoomoo309@programming.dev 5 points 11 months ago

This is correct. You can also omit the parentheses on the function call in Lua if the only argument is a table or string literal.