Python: Creating a streaming gzip’d file-like?

It’s quite kludgy (self referencing, etc; just put a few minutes writing it, nothing really elegant), but it does what you want if you’re still interested in using gzip instead of zlib directly. Basically, GzipWrap is a (very limited) file-like object that produces a gzipped file out of a given iterable (e.g., a file-like object, … Read more

Node.js – Zip/Unzip a folder

I’ve finally got it, with the help of @generalhenry (see comments on the question) and as mentioned in the comments, we need to compress the folder in two steps: Convert the folder into a .tar file Compress the .tar file In order to perform the first step, I needed two node.js modules: npm install tar … Read more

How to pipe one readable stream into two writable streams at once in Node.js?

Pipe chaining/splitting doesn’t work like you’re trying to do here, sending the first to two different subsequent steps: sourceFileStream.pipe(gzip).pipe(response); However, you can pipe the same readable stream into two writeable streams, eg: var fs = require(‘fs’); var source = fs.createReadStream(‘source.txt’); var dest1 = fs.createWriteStream(‘dest1.txt’); var dest2 = fs.createWriteStream(‘dest2.txt’); source.pipe(dest1); source.pipe(dest2);

Decompress gzip and zlib string in javascript

Pako is a full and modern Zlib port. Here is a very simple example and you can work from there. Get pako.js and you can decompress byteArray like so: <html> <head> <title>Gunzipping binary gzipped string</title> <script type=”text/javascript” src=”https://stackoverflow.com/questions/14620769/pako.js”></script> <script type=”text/javascript”> // Get datastream as Array, for example: var charData = [31,139,8,0,0,0,0,0,0,3,5,193,219,13,0,16,16,4,192,86,214,151,102,52,33,110,35,66,108,226,60,218,55,147,164,238,24,173,19,143,241,18,85,27,58,203,57,46,29,25,198,34,163,193,247,106,179,134,15,50,167,173,148,48,0,0,0]; // Turn number array … Read more

What easy zlib tutorials are there? [closed]

Well there are many zlib articles , tips and tutorials. Some of them are 1) Bobobobo’s Blog This article basically tells you how to use zlib, and there is a snippet of code that will get you going. This project shows you how to use zlib. Its a console project, because there’s no need to … Read more

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