turtle2ntriples.js

#!/usr/bin/env node
/*
 * Install: npm install n3
 * Usage: cat gigantic.ttl | tutle2ntriples
 * Usage: tutle2ntriples gigantic.ttl
 *
 * See also: https://github.com/RubenVerborgh/N3.js
 */
var file = undefined;
if (process.argv.length == 2) {
    file = '/dev/stdin';
}
else {
    file = process.argv[2];
}
var N3 = require('n3');
var fs = require('fs');
var streamParser = new N3.StreamParser(),
    inputStream = fs.createReadStream(file),
    streamWriter = new N3.StreamWriter({ format: 'N-Triples' });
inputStream.pipe(streamParser);
streamParser.pipe(streamWriter);
streamWriter.pipe(process.stdout);

I thought that, as a Perl programmer, you might like to know that you could even save some lines by var file = process.argv[2] || '/dev/stdin' 😉

hehehe