Input csv with two columns: local_id and youtube_video_id.
id,youtube_id
1,wk_CJXANN8w
2,yNcnn5StHaQ
3,zyLNuAybwLI
Output individual html files with youtube iframe tag.
e.g. 1_video.html
<iframe width="560" height="315" src="https://www.youtube.com/embed/th6fGSsloH4" title="YouTube video player" frameborder="0" allow="accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture" allowfullscreen></iframe>
$ ruby youtube_galleys.rb file.csv