you can now select playlist areas like 1-7, 8-20

utils/download.go

@@ -11,11 +11,22 @@ import (
 func NeedDownloadList(length int) []int {
 	if config.PlaylistItems != "" {
 		var items []int
-		var index int
+		var selStart, selEnd int
 		temp := strings.Split(config.PlaylistItems, ",")
+
 		for _, i := range temp {
-			index, _ = strconv.Atoi(strings.TrimSpace(i))
-			items = append(items, index)
+			selection := strings.Split(i, "-")
+			selStart, _ = strconv.Atoi(strings.TrimSpace(selection[0]))
+
+			if len(selection) >= 2 {
+				selEnd, _ = strconv.Atoi(strings.TrimSpace(selection[1]))
+			} else {
+				selEnd = selStart
+			}
+
+			for item := selStart; item <= selEnd; item++ {
+				items = append(items, item)
+			}
 		}
 		return items
 	}

utils/download_test.go

@@ -62,6 +62,30 @@ func TestNeedDownloadList(t *testing.T) {
 			items: "1, 3",
 			want:  []int{1, 3},
 		},
+		{
+			name: "from to item selection 1",
+			args: args{
+				len: 10,
+			},
+			items: "1-3, 5, 7-8, 10",
+			want:  []int{1, 2, 3, 5, 7, 8, 10},
+		},
+		{
+			name: "from to item selection 2",
+			args: args{
+				len: 10,
+			},
+			items: "1,2, 4 , 5, 7-8  , 10",
+			want:  []int{1, 2, 4, 5, 7, 8, 10},
+		},
+		{
+			name: "from to item selection 3",
+			args: args{
+				len: 10,
+			},
+			items: "5-1, 2",
+			want:  []int{2},
+		},
 	}
 	for _, tt := range tests {
 		t.Run(tt.name, func(t *testing.T) {