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a streaming CRC32 checksumer

Package Exports

  • crc32-stream

This package does not declare an exports field, so the exports above have been automatically detected and optimized by JSPM instead. If any package subpath is missing, it is recommended to post an issue to the original package (crc32-stream) to support the "exports" field. If that is not possible, create a JSPM override to customize the exports field for this package.

Readme

crc32-stream v0.1.0 Build Status

crc32-stream is a streaming CRC32 checksumer. It uses buffer-crc32 behind the scenes to reliably handle binary data and fancy character sets. Data is passed through untouched.

NPM

Install

npm install crc32-stream --save

You can also use npm install https://github.com/ctalkington/node-crc32-stream/archive/master.tar.gz to test upcoming versions.

Usage

var CRC32Steam = require('crc32-stream');

var source = fs.createReadStream('file.txt');
var checksum = new CRC32Steam();

checksum.on('end', function(err) {
  // do something with checksum.digest() here
});

// either pipe it
source.pipe(checksum);

// or write it
checksum.write('string');
checksum.end();

Instance API

Inherits Transform Stream methods.

digest()

Return the checksum digest in unsigned form.

hex()

Return the hex representation of the checksum digest. (ie E81722F0)

Instance Options

Inherits Transform Stream options.

Things of Interest