Download and label all WWDC 2015 videos

gistfile1.sh

#!/usr/local/bin/bash

curl -s https://developer.apple.com/videos/wwdc/2015/ -o source.html
grep "?id=" source.html | grep -v "video center" | sed -E 's/(.*)(\?id=[0-9]+).*/\2/g' | sort | uniq > video_links.txt
rm source.html
cat video_links.txt | while read line
do
    url="https://developer.apple.com/videos/wwdc/2015/$line"
    curl -s $url -o video.html
    title=$(grep "<h3>" video.html | sed -E 's/<h3>|<\/h3>//g' | sed -e 's/^[ \t]*//')
    description=$(grep "<p>" video.html | head -1 | sed -E 's/<p>|<\/p>//g' | sed -e 's/^[ \t]*//')
    url=$(grep -E -o "href.*HD" video.html | sed -e 's/^.*|//' | sed -e 's/HD.*//' | sed -e 's/.*href="//' | sed -e 's/">.*//')
    number=$(grep "HD" video.html | sed -e 's/^.*|//' | sed -e 's/HD.*//' | sed -e 's/.*href="//' | sed 's/">//' | sed -r 's/.*\/([0-9]+)_.*/\1/g')
    echo $url
    echo $title
    echo $description
    echo $number
    curl -s $url -o "$number-$title-orig.mp4" || printf '%s\n' $?
    ffmpeg -i "$number-$title-orig.mp4" -c copy -metadata title="$title" -metadata artist=WWDC -metadata album_artist=WWDC -metadata album="WWDC, Season 2015" -metadata genre="Special Interest" -metadata show=WWDC -metadata media_type=10 -metadata hd_video=1 -metadata season_number=223 -metadata year=2015 -metadata description="$description" -metadata episode_id="S2015E$number" "$number-$title.mp4" -nostdin
    if [[ $? = 0 ]];
    then
        rm "$number-$title-orig.mp4"
    fi
done
rm video_links.txt
rm video.html