Added examples to yt-dlp's notes

knowledge base/yt-dlp.md

@@ -16,6 +16,9 @@ yt-dlp -F AK44wAvv2E4
 # See all available information from a video.
 yt-dlp -j BaW_jenozKc
 
+# List available subtitiles.
+yt-dlp --list-subs rQnNghhPw6o
+
 # Check what name will be used for the destination.
 # Output templates at https://github.com/yt-dlp/yt-dlp#output-template, or use
 # '-j' to see the json file with all of them.
@@ -26,6 +29,19 @@ yt-dlp --get-filename \
 # Download all videos in a YouTube channel.
 yt-dlp -f "bestvideo+bestaudio/best" -ciw \
   -o "%(title)s.%(ext)s" -v https://www.youtube.com/c/pbsspacetime/videos
+
+# As above with improvements.
+# Slow down the requests to avoid issues in retrieving the data.
+# Include chapters, metadata and selected subtitles.
+# Prefix the file name with its timestamp, or upload date if it is null.
+yt-dlp -ciw \
+  --retry-sleep 3 --sleep-requests 0 --sleep-subtitles 3 \
+  --embed-chapters --embed-metadata --embed-subs \
+  --sub-langs "(de|en|fr|es|it|ja|nl|zh(-Han.*)?)(-en)?" \
+  --sub-format "ass/srt/best" --write-auto-subs \
+  -f "bestvideo+bestaudio/best" \
+  -o "%(timestamp>%Y-%m-%d,upload_date>%Y-%m-%d)s  %(title)s.%(ext)s" \
+  https://www.youtube.com/c/becausescience/videos
 ```
 
 ## Further readings