tsv.js

const fs = require('fs');
const es = require('event-stream');
const stripBom = require('strip-bom');

let filepath = './short.tsv';
let reader = fs.createReadStream(filepath);

let keys;

reader.pipe(es.split())
	.pipe(es.filterSync((line) => {return line}))
	.pipe(es.mapSync(line => { return stripBom(line)}))
	.pipe(es.mapSync(line => {
		row = line.split("\t");
		if (!keys) {
			keys = row; // grab the first line as keys
		} else {
			storerow(keys, row);
		}
	}));

function storerow(keys, row) {
	//console.log(keys, row);
}