fix reading download state

lib/youtube-dl.js

@@ -21,7 +21,7 @@ fs.exists(file, function(exists) {
  });
 });
 
-var progressRegex = /(\d+\.\d)% of (\d+\.\d+\w+) at\s+([^\s]+) ETA ((\d|-)+:(\d|-)+)/;
+var progressRegex = /(\d+(?:\.\d)?)% of (\d+\.\d+\w+) at\s+([^\s]+) ETA ((\d|-)+:(\d|-)+)/;
 
 
 /**
@@ -60,29 +60,31 @@ exports.download = function(urladdr, dest, args) {
  youtubedl.stdout.setEncoding('utf8');
  youtubedl.stdout.pipe(line);
  line.on('data', function(data) {
- var pos, result;
+ var pos;
 
  // Check if video is uploading so script can start
  // calling the download progress function.
- if (state === 'download' && (result = progressRegex.exec(data))) {
-
- // If this is the first progress display, grab file size.
- if (!size) {
- emitter.emit(state, {
- filename : filename
- , size : size = result[2]
+ if (state === 'download') {
+ var result;
+ if (result = progressRegex.exec(data)) {
+ // If this is the first progress display, grab file size.
+ if (!size) {
+ emitter.emit(state, {
+ filename : filename
+ , size : size = result[2]
+ });
+ }
+
+ if (result[3] !== '---b/s') {
+ speed.push(util.toBytes(result[3].substring(0, result[3].length - 2)));
+ }
+ emitter.emit('progress', {
+ percent : result[1]
+ , speed : result[3]
+ , eta : result[4]
  });
  }
 
- if (result[3] !== '---b/s') {
- speed.push(util.toBytes(result[3].substring(0, result[3].length - 2)));
- }
- emitter.emit('progress', {
- percent : result[1]
- , speed : result[3]
- , eta : result[4]
- });
-
  // About to start downloading video.
  } else if ((pos = data.indexOf('[download] ')) === 0) {
  state = 'download';