Given a plain text wordlist, output all words from that list that are nouns

treetagger.js

var Treetagger = require('treetagger');
var tagger = new Treetagger({ language: "french" });

var fs = require('fs'), filename = "/Users/benni/coding/tt-nodejs/french.txt";
fs.readFile(filename, 'utf8', function(err, data) {
    if(err) throw err;
    tagger.tag(data, function (err, results) {
        results.forEach(function(e) {
            if(e.pos == "NOM") {
                console.log(e.t);
            }
        });
  });
});