r4/southpark-de-downloader
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better, more reliable scraping

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r4 2022-06-23 22:31:11 +02:00
parent 81d0322406
commit 5ac4fa9d99
1 changed files with 8 additions and 8 deletions
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16
southpark-downloader.sh
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@ -93,26 +93,26 @@ done
if [ "$OPT_LANG" = "DE" ]; then
INDEX_FILENAME="$CACHEDIR/_episode_index_DE_"
INDEX_INITIAL_URL="https://www.southpark.de/folgen/940f8z/south-park-cartman-und-die-analsonde-staffel-1-ep-1"
REGEX_EPISODE_URL="\"/folgen/[0-9a-z]\+/south-park-[0-9a-z-]\+-staffel-[0-9]\+-ep-[0-9]\+\""
REGEX_EPISODE_URL="/folgen/[0-9a-z]\\+/south-park-[0-9a-z-]\\+-staffel-[0-9]\\+-ep-[0-9]\\+"
elif [ "$OPT_LANG" = "EN" ]; then
INDEX_FILENAME="$CACHEDIR/_episode_index_EN_"
INDEX_INITIAL_URL="https://www.southpark.de/en/episodes/940f8z/south-park-cartman-gets-an-anal-probe-season-1-ep-1"
REGEX_EPISODE_URL="\"/en/episodes/[0-9a-z]\+/south-park-[0-9a-z-]\+-season-[0-9]\+-ep-[0-9]\+\""
REGEX_EPISODE_URL="/en/episodes/[0-9a-z]\\+/south-park-[0-9a-z-]\\+-season-[0-9]\\+-ep-[0-9]\\+"
fi
update_index() {
[ ! -e "$INDEX_FILENAME" ] && echo "$INDEX_INITIAL_URL" > "$INDEX_FILENAME"
echo -ne "\e[32m>>> Updating episode index\e[m"
while true; do
local URL="$(tail -n1 "$INDEX_FILENAME")"
local NEWURLS="$(curl -s "$URL" | grep -o "$REGEX_EPISODE_URL" | tr -d "\"" | sed -E "s/^/https:\/\/www.southpark.de/g")"
[ "$URL" = "$(printf "$NEWURLS" | tail -n1)" ] && break
local SEEDURL="$(tail -n1 "$INDEX_FILENAME" | tr -d '\n')"
local HTML="$(curl -s "$SEEDURL")"
local URLS="$(echo -n "$HTML" | sed 's@</a>@\n@g' | sed -n "s@.*href=\"\\($REGEX_EPISODE_URL\\)\".*@\\1@p" | sed "s@^@https://www.southpark.de@g")"
# The sed command only retains all matches after the seed URL
local NEWURLS="$(echo -n "$URLS" | sed -n "\\@^$SEEDURL\$@{:1;n;p;b1}")"
[ -z "$NEWURLS" ] && break
echo "$NEWURLS" >> "$INDEX_FILENAME"
echo -ne "\e[32m.\e[m"
done
# The awk command removes duplicate lines
local NEW_INDEX="$(awk '!x[$0]++' "$INDEX_FILENAME")"
printf "$NEW_INDEX" > "$INDEX_FILENAME"
echo
}