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catstreams
Advanced tools
Readme
catstreams provides a Readable stream interface that concatenates the results of N other streams.
$ cat examples/catstreams.js
/*
* examples/catstreams.js: basic CatStreams example
*/
var mod_restify = require('restify');
var mod_bunyan = require('bunyan');
var HttpStream = require('httpstream');
var CatStreams = require('../lib/catstreams');
var log = new mod_bunyan({
'name': 'example',
'level': 'warn',
'serializers': mod_restify.bunyan.serializers
});
var client = mod_restify.createClient({
'log': log,
'url': 'https://us-east.manta.joyent.com'
});
var stream = new CatStreams({
'log': log,
'perRequestBuffer': 10 * 1024 * 1024,
'maxConcurrency': 2
});
stream.cat(function (options) {
return (new HttpStream({
'client': client,
'path': '/manta/public/sdks/node-manta.tar.gz',
'log': log,
'highWaterMark': options['highWaterMark']
}));
});
stream.cat(function (options) {
return (new HttpStream({
'client': client,
'path': '/manta/public/sdks/node-manta.tar.gz',
'log': log,
'highWaterMark': options['highWaterMark']
}));
});
stream.cat(null);
var sum = 0;
console.log('fetching ... ');
stream.on('data', function (c) { sum += c.length; });
stream.on('end', function () {
console.log('fetched %d bytes', sum);
client.close();
});
$ mls -l /manta/public/sdks/node-manta.tar.gz
-rwxr-xr-x 1 manta 2697998 Jul 22 15:52 node-manta.tar.gz
$ node examples/catstream.js
fetching ...
fetched 5395996 bytes
Pull requests should be "make prepush" clean.
FAQs
Concatenate data from multiple streams fetched concurrently
The npm package catstreams receives a total of 3 weekly downloads. As such, catstreams popularity was classified as not popular.
We found that catstreams demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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