node native bindings to a C rabin fingerprinting algorithm. 

node native bindings to a C rabin fingerprinting algorithm

juliangruber

frando

serapath

rangermauve

pfrazee

ninabreznik

karissa

leichtgewicht

jhand

cblgh

the-real-dk

zootella

rabin

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  "description": "node native bindings to a C rabin fingerprinting algorithm",

    "test": "echo \"It built! Add more tests later.\" && prebuild-ci",

    "prebuild": "prebuild --all --strip --verbose"

    "url": "git+https://github.com/datproject/rabin.git"

    "url": "https://github.com/datproject/rabin/issues"

  "homepage": "https://github.com/datproject/rabin#readme"

Node native addon module (C/C++) for [Rabin fingerprinting](https://en.wikipedia.org/wiki/Rabin_fingerprint) data streams.

[![Build Status](https://travis-ci.org/datproject/rabin.svg?branch=master)](https://travis-ci.org/datproject/rabin)

[![Build status](https://ci.appveyor.com/api/projects/status/u00ajj4hu7oy9cwv/branch/master?svg=true)](https://ci.appveyor.com/project/juliangruber/rabin/branch/master)

Uses the implementation of Rabin fingerprinting from [LBFS](https://github.com/fd0/lbfs/tree/bdf4f17d23b68536e7805c88e269026c74c32d59/liblbfs).

Rabin fingerprinting is useful for finding the chunks of a file that differ from a previous version. It's one implementation of a technique called "Content-defined chunking", meaning the chunk boundaries are determinstic to the content (as opposed to "fixed-sized chunking").

Theres a JavaScript API and an accompanying command-line tool.

`createRabin` can be used to create multiple fingerprinting streams

`rabin` is a duplex stream. You write raw data in, and buffers chunked by rabin fingerprints will be written out.

var rs = fs.createReadStream('somefile.dat')

  // chunks are created by taking your input data

  // and splitting on each rabin fingerprint found

$ rabin myfile.txt --bits=14 --min=8192 --max=32768 # defaults

		{
		"name": "rabin",
		"version": "1.5.6",
		"version": "1.5.7",
		"description": "node native bindings to a C rabin fingerprinting algorithm",
		@@ -5,0 +5,0 @@ "main": "index.js",

Fixed alerts

Improved metrics

		@@ -6,2 +6,3 @@ # rabin
		[![Build Status](https://travis-ci.org/datproject/rabin.svg?branch=master)](https://travis-ci.org/datproject/rabin)
		[![Build status](https://ci.appveyor.com/api/projects/status/u00ajj4hu7oy9cwv/branch/master?svg=true)](https://ci.appveyor.com/project/juliangruber/rabin/branch/master)

		@@ -8,0 +9,0 @@ Uses the implementation of Rabin fingerprinting from [LBFS](https://github.com/fd0/lbfs/tree/bdf4f17d23b68536e7805c88e269026c74c32d59/liblbfs).