pack / unpack functions for node.js [closed]

Are there any modules that provide pack / unpack functionality for nodejs similar to python's struct module? I haven't found any specifically for node, and I'd assume that javascript implementations would be significantly slower.



Answer appears to be a straight-up port of Python's struct API for packing binary data, but it's implemented in JS. It doesn't appear to be packaged for npm yet. provides unpacking, also implemented in JS, and you can install it with npm install binary if you have npm installed.


jBinary is another tool in this space which seems to be actively maintained (as of late 2014). It includes sample specifications for a variety of well-known formats, e.g. tar, ico and mp3.


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