ref: 7eadf4cdfa03b8b93c86924dd25cd3dddc78418f dir: /graveyard/yt/
#!/bin/rc tr ',\{\}' ' ' | grep 'audio%2Fwebm' | sed -n '/^\\"url/{s/\\\\u0026/\&/g;s/\\//g;s/.*"([^"]+)".*/\1/p;}'