write file, don't console.log

Gruntfile.js

@@ -1,4 +1,5 @@
 var converter = require('./index.js');
+var fs = require('fs');
 module.exports = function(grunt) {
 
 	grunt.initConfig({
@@ -21,8 +22,9 @@ module.exports = function(grunt) {
 	grunt.registerTask('convert-tabs-to-html', function(){
 		var done = this.async();
 		converter('test.txt', function(result){
-			console.log(result);
-			done();
+			fs.writeFile('result.html', result, function(){
+				done();
+			});
 		});
 	});