ref: 6cfbbf50b462afc13d148297bb23d19dc020947a dir: /graveyard/yt/
#!/bin/rc tr ',\{\}' ' ' | grep 'audio%2Fwebm' | sed -n '/^\\"url/{s/\\\\u0026/\&/g;s/\\//g;s/.*"([^"]+)".*/\1/p;}'