I wish there was a timestamp in "OUTPUT TEMPLATE" for RSS/Atom

youtube_dl/YoutubeDL.py

@@ -896,6 +896,9 @@ class YoutubeDL(object):
             if new_result.get('_type') == 'url':
                 new_result['_type'] = 'url_transparent'
 
+            if ie_result.get('timestamp') is not None:
+                extra_info['timestamp'] = ie_result.get('timestamp')
+
             return self.process_ie_result(
                 new_result, download=download, extra_info=extra_info)
         elif result_type in ('playlist', 'multi_video'):

youtube_dl/extractor/generic.py

@@ -30,6 +30,7 @@ from ..utils import (
     smuggle_url,
     unescapeHTML,
     unified_strdate,
+    unified_timestamp,
     unsmuggle_url,
     UnsupportedError,
     xpath_text,
@@ -2182,10 +2183,12 @@ class GenericIE(InfoExtractor):
             if not next_url:
                 continue
 
+            pubDate = it.find('pubDate')
             entries.append({
                 '_type': 'url_transparent',
                 'url': next_url,
                 'title': it.find('title').text,
+                'timestamp': None if (pubDate is None) else unified_timestamp(pubDate.text),
             })
 
         return {