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pullstream
Advanced tools
Tired of getting a firehose worth of data from your streams. This module is here to save the day. PullStream allows you to pull data when you want and as much as you want.
var PullStream = require('pullstream');
var fs = require('fs');
var ps = new PullStream();
var loremIpsumStream = fs.createReadStream('loremIpsum.txt');
var outputStream = fs.createWriteStream(path.join(__dirname, 'loremIpsum.out'));
loremIpsumStream.pipe(ps);
// pull 5 bytes
ps.pull(5, function(err, data) {
console.log(data.toString('utf8'));
// pipe the next 100 to a file
ps.pipe(100, outputStream).on('end', function () {
console.log('all done');
});
});
Calls a callback when the specified number of bytes are ready. If no number is specified pull will read until the end of the input stream.
Arguments
Example
var ps = new PullStream();
ps.pull(5, function(err, data) {
console.log(data.toString('utf8'));
});
### ps.pipe([number], destStream)
Pipes the specified number of bytes to destStream. If a number is not specified pipe will pipe the remainder of the input stream to destStream.
Arguments
Returns
Returns destStream.
Example
var ps = new PullStream();
var outputStream = fs.createWriteStream(path.join(__dirname, 'loremIpsum.out'));
ps.pipe(100, out).on('end', function() {
console.log('done with pipe');
});
### ps.write(data)
Writes data to input side of a pull stream.
Arguments
Example
var ps = new PullStream();
ps.pull(5, function(err, data) {
console.log(data.toString('utf8'));
});
ps.write(new Buffer('Hello World', 'utf8'));
### ps.end()
Manually ends a pull stream.
Example
var ps = new PullStream();
ps.pull(5, function(err, data) {
console.log(data.toString('utf8'));
});
ps.write(new Buffer('Hello World', 'utf8'));
ps.end();
FAQs
A stream you can pull data from.
The npm package pullstream receives a total of 43,208 weekly downloads. As such, pullstream popularity was classified as popular.
We found that pullstream demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 2 open source maintainers collaborating on the project.
Did you know?
Socket for GitHub automatically highlights issues in each pull request and monitors the health of all your open source dependencies. Discover the contents of your packages and block harmful activity before you install or update your dependencies.
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