Get stats (well, msgs posted) from WA chat backups

gistfile1.txt

var fs = require('fs');
var file = fs.readFileSync('chat.txt');

var lines = file.toString().split("\n");
var users = {};

lines.map(function(line){
	var userArr = line.match(/-\ (.*?)\:/);
	if(userArr === null || typeof userArr !== 'object') {
		return;
	}
	var user = userArr[1];
	
	if(!users[user]){
		users[user] = 0;
	}
	users[user]++;
})

var csv = '';

for(var i in users) {
	csv += i+','+users[i]+"\n";
}

console.log(csv);
fs.writeFileSync('data.csv', csv, 'utf-8');