Formats a logfile with json objects seperated by linebreaks and prettyfies it

logtest.js

/**
 * npm install carrier
 * npm install parser
 * tail -f /tmp/json.log | node logtest.js
 *
 * Logfile example:
 * {"level":"info","message":"beep boop"}
 * {"level":"error","message":"foo bar"}
 */

var carrier = require('carrier');
var parser = carrier.carry(process.stdin);
var util = require('util');
var prettyjson = require('prettyjson');

parser.on('line',  function(line) {
    var d = JSON.parse(line);
    console.log(prettyjson.render(d));
});

process.stdin.resume();