--sort-by and --reverse

no means "leave it as it is"

feed

@@ -232,8 +232,10 @@ def get_parser():
     filters.add_argument('--max-len', default=0, type=int,
                          help='Exclude any audio that is longer '
                          'than MAX_LEN seconds')
-    filters.add_argument('--random', default=False,
-                         action='store_true', help='Pick randomly')
+    filters.add_argument('--sort-by', default='no', type=str,
+                         choices=('random', 'date'))
+    filters.add_argument('--reverse', default=False,
+                         action='store_true', help='Reverse list order')
     filters.add_argument('--min-len', default=0, type=int,
                          help='Exclude any audio that is shorter '
                          'than MIN_LEN seconds')
@@ -306,6 +308,7 @@ def main():
            or os.path.isfile(url):
             # download the feed
             tree = get_tree(url)
+            # filtering
             if not args.group:
                 # get audio urls, removing those that are too long
                 audios += [audio for audio in get_urls(tree) if
@@ -343,9 +346,17 @@ def main():
         else:
             logging.info('unsupported url `%s`', url)
 
-    audios = audios[args.start:]
-    if args.random:
+    # sort
+    if args.sort_by == 'random':
         random.shuffle(audios)
+    elif args.sort_by == 'date':
+        audios.sort(key=lambda x: x.age)
+
+    if args.reverse:
+        audios.reverse()
+
+    # slice
+    audios = audios[args.start:]
     audios = audios[:args.howmany]
 
     # the for loop excludes the last one