buffer info call

lib/youtube-dl.js

@@ -1,4 +1,5 @@
 var spawn        = require('child_process').spawn
+  , execFile     = require('child_process').execFile
   , EventEmitter = require('events').EventEmitter
   , fs           = require('fs')
   , path         = require('path')
@@ -205,7 +206,7 @@ exports.download = function(url, dest, args) {
 
 
 // gets info from a video
-module.exports.info = function(url, callback, args) {
+exports.info = function(url, callback, args) {
   // setup settings
   if (args == null) {
     args = [];
@@ -222,25 +223,19 @@ module.exports.info = function(url, callback, args) {
   args.push(url);
 
   // call youtube-dl
-  var youtubedl = spawn(file, args);
-  var err = null, info;
-  youtubedl.stdout.on('data', function(data) {
-    data = data.toString().split('\n');
+  var youtubedl = execFile(file, args, function(err, stdout, stderr) {
+    if (err) return callback(err);
+    if (stderr) return callback(new Error(stderr.slice(7)));
+
+    var data = stdout.split('\n');
     info = {
         title       : data[0]
       , url         : data[1]
       , thumbnail   : data[2]
       , description : data[3]
       , filename    : data[4]
     };
-  });
 
-  youtubedl.stderr.on('data', function(data) {
-    data = data.toString().trim();
-    err = new Error(data.substring(7, data.length - 1));
-  });
-
-  youtubedl.on('exit', function(code) {
-    return callback(err, info);
+    callback(null, info);
   });
 };