Possible to stream a files contents directly to a string?

[newmanw]

One of the files in my zip is a JSON file. I would like to stream in the zip and when I get to this file pull the contents directly into a string rather than write to a file then read from that file.

Is that sort of thing possible?

[linus-amg]

i would like to know that aswell

[joemaller]

This code snippet will extract JSON data from a file inside a streamed zip archive without writing any temp files. It's asynchronous and JSON.parse can directly access the buffer, so no string conversion is necessary. Zipped files which aren't 'package.json' are ignored.

var request = require('request');
var through = require('through2');
var unzip = require('unzip');

request('https://github.com/EvanOxfeld/node-unzip/archive/master.zip')
  .pipe(unzip.Parse())
  .on('entry', function(entry) {
    if (entry.path.indexOf('package.json') > -1) {
      entry.pipe(through.obj(function(contents) {
        // contents is a buffer containing the JSON data
        var jsonData = JSON.parse(contents);
        console.log(jsonData);
      }))
    } else {
      entry.autodrain();
    }
  });