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A CLI tool that dumps the description of Messagepack payload in your console

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msgpack-dump

Simple CLI tool that dumps information about a Msgpack object

The input object is read as binary from stdin and the description is written on stdout.

Installation

Linux

You need gcc/clang on your computer, nothing else.

Run make and move msgpack-dump to your local bin folder, or /usr/local/bin.

Windows

Windows support is untested.

You need Visual Studio's C build tools installed. Open a "Developer command prompt" and run build.bat

Usage

Pipe your data to msgpack-dump and that's it.

By default, strings are not printed. If you want to enable string value output, pass the --print-strings flag.

Reading hexadecimal data

msgpack-dump does not understand hex/base64 input, only binary.

If you need to convert, use standard tools. Here's an example on how to read an hex string:

$ echo -n "ce0001e240c2" | xxd -r -p | ./msgpack-dump
Integer : 123456 (unsigned, 32)
Boolean : 0

Limitations

This library is meant to be used with every messagepack object. Unfortunately, this means that arrays and maps cannot be prettily printed with delimiters, as the array/map count might not reflect the actual number of messagepack objects. For example, the library would not be able to read an array if it was packed like this:

pack_array_size(2)

// First object
pack_bool(true) // var a
pack_int(2) // var b

// Second object
pack_bool(false) // var a
pack_int(3) // var b

A flag might be introduced at a later date to enable array pretty printing if you have simple arrays.

Extensions are not supported (yet).

Thanks

This project uses https://github.com/camgunz/cmp as a lightweight messagepack library

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A CLI tool that dumps the description of Messagepack payload in your console

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MIT, Unknown licenses found

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