check if progress is printed at least once

przemyslawpluta · May 17, 2013 · 189834d · 189834d
1 parent e0895a4
commit 189834d
Showing 1 changed file with 5 additions and 3 deletions.
diff --git a/lib/youtube-dl.js b/lib/youtube-dl.js
@@ -184,10 +184,12 @@ exports.download = function(url, dest, args) {
 
  youtubedl.on('exit', function() {
  var averageSpeed = 0;
- for (var i = 0, len = speed.length; i < len; i++) {
- averageSpeed += speed[i];
+ if (speed.length) {
+ for (var i = 0, len = speed.length; i < len; i++) {
+ averageSpeed += speed[i];
+ }
+ averageSpeed /= len;
  }
- averageSpeed /= speed.length;
 
  var timeTaken = Date.now() - start;
  emitter.emit('end', {