Simple YouTube Downloader

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Simple YouTube Downloader

test $# -gt 0||exec echo usage: echo youtube-url\|$0 fmt \[saveas\];b=$(exec sed 's/http:/https:/; s/m.youtube/www.youtube/;s/youtu.be./www.youtube.com\/watch?v=/;s/hooktube.com/youtube.com/;s/embed./watch?v=/;#etc.;s/?version. //;s/;. //;');echo source url: $b;c=${b## =};a=$(ftp -4o/dev/stdout $b|exec grep -o "https%3A%2F%2Fr[0-9] [a-zA-Z0-9.%_-]*"|exec sed 's/%26/\&/g;s/%3D/=/g;s/%3A/:/g;s/%2F/\//g;s/%3F/?/g;s/%25/%/g;/itag='"$1"'/!d');echo video url: $a;exec ftp -4o ${2-$c} $a;