In light of Youtube-DL being taken down from GitHub, I decided to give it a go with a use case I happened to have.
Lately, I’ve been listening to lots of concerts/festival sets that are not available for traditional purchase. Although I have listened to them on youtube, I didn’t want to have the webpage open and the auto-play/queuing features are not as fledged out as a proper music player.
I decided to write a quick script that I could run in a cron to pull down the latest version of the playlist I maintain. To keep an eye on it, I included a Slack webhook notification that let’s me know when the playlist has been downloaded.
My first version worked but I quickly realised that the script did not handle updates, only a complete re-download. To resolve this, youtube-dl has a --download-archive flag that keeps track of downloaded videos.
Check out the code below and hopefully you find it useful.
#!/bin/bash
playlist_url="https://www.youtube.com/playlist?list=ZZZ"
cd ~/Projects/music
youtube-dl --embed-thumbnail --download-archive downloaded.txt --no-post-overwrites --extract-audio --audio-quality 0 --format bestaudio --audio-format mp3 --yes-playlist --output "%(title)s-%(id)s.%(ext)s" $playlist_url
curl -X POST --data-urlencode "payload={\"username\": \"youtubeb0t\", \"text\": \"Completed download of all Music playlist.\", \"icon_emoji\": \":tv:\"}" https://hooks.slack.com/services/ZZZ/YYY
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