Fixed empty line crash; Download status

download.go

@@ -6,6 +6,7 @@ import (
 	"log"
 	"os"
 	"regexp"
+	"strings"
 	"sync"
 	//"path/filepath"
 
@@ -41,18 +42,23 @@ func (b *Batch) Start() {
 		//Call download
 		log.Println(scanner.Text())
 		//add go routine to wait for
-		wg.Add(1)
+		if strings.TrimSpace(scanner.Text()) != "" {
-		go downloadVideo(b.destDir, scanner.Text(), wg)
+			wg.Add(1)
+			go downloadVideo(b.destDir, scanner.Text(), &wg)
+		} else {
+			log.Println("Ignoring blank line")
+		}
 	}
 
 	//wait for all go routines to finish
 	wg.Wait()
+	log.Println("All downloads finished")
 	if err := scanner.Err(); err != nil {
 		log.Fatal(err)
 	}
 }
 
-func downloadVideo(destDir, url string, wg sync.WaitGroup) {
+func downloadVideo(destDir, url string, wg *sync.WaitGroup) {
 	// NewYoutube(debug) if debug parameter will set true we can log of messages
 	//defer Done() so that WaitGroup knows when the routine finishes
 	defer wg.Done()
@@ -63,6 +69,15 @@ func downloadVideo(destDir, url string, wg sync.WaitGroup) {
 	filename := fmt.Sprintf("%s/%s.%s", destDir, y.StreamList[0]["title"], fileext)
 
 	log.Println("Start downloading:", filename)
+	go func() {
+		var i int64 = 0
+		for i < 100 {
+			i = <-y.DownloadPercent
+			if i%10 == 0 {
+				log.Println("Status: ", i, "%", y.StreamList[0]["title"])
+			}
+		}
+	}()
 	y.StartDownload(filename)
 	log.Println("Finished downloading:", filename)
 }