269 lines
11 KiB
Bash
269 lines
11 KiB
Bash
#! /bin/bash
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main() {
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set -e
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set -o pipefail
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local output="${1:-$(mktemp -d)}"
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log "$output"
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#set -x
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#list_chapters_in_book https://www.dndbeyond.com/sources/sacoc
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#list_chapters_in_book https://www.dndbeyond.com/sources/twbtw
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#list_chapters_in_book https://www.dndbeyond.com/sources/hftt
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#list_chapters_in_book https://www.dndbeyond.com/sources/sdw
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#should_scrape_book_chapter https://www.dndbeyond.com/sources/ai/credits || true
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#scrape_book_chapter https://www.dndbeyond.com/sources/ai/credits
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#scrape_book_chapter https://www.dndbeyond.com/sources/ai
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#scrape_book_chapter https://www.dndbeyond.com/compendium/rules/ggtr/krenkos-way
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#scrape_book_chapter https://www.dndbeyond.com/compendium/rules/ggtr/bestiary
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#scrape_book_chapter https://www.dndbeyond.com/compendium/rules/ggtr/azorius-senate
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#scrape_book_chapter https://www.dndbeyond.com/sources/mm/monsters-e
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#scrape_book_chapter https://www.dndbeyond.com/compendium/rules/dmg/appendix-b-monster-lists
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#scrape_book_chapter https://www.dndbeyond.com/compendium/rules/phb/credits | less
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#scrape_book_chapter https://www.dndbeyond.com/sources/phb/races | less
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#scrape_book_chapter https://www.dndbeyond.com/sources/phb/appendix-a-conditions | less
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#scrape_book "$output" https://www.dndbeyond.com/sources/phb
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for book in $(scrape_books); do
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book="${book%/}"
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log book=$book
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scrape_book "$output/${book##*/}" "$book"
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done
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log "$output"
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}
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log() {
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echo "$(date) > $*" >&2
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}
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scrape_books() {
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scrape_dndbeyond "https://www.dndbeyond.com/sources#Sourcebooks" \
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| grep class..sources-listing--item \
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| grep href=.*sources \
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| grep -o 'href="[^"]*' \
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| sed 's/^href="//' \
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| sed 's/^\///' \
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| sed 's/^/\//' \
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| sed 's/^/https:\/\/www.dndbeyond.com/'
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}
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scrape_book() {
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local output="$1"
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local book_url="$2"
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if [ -d "$output" ] && ls "$output"/* &> /dev/null && [ ! -f "$output/.wip" ]; then
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log "$book_url already in $output"
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return
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fi
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mkdir -p "$output"
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touch "$output/.wip"
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local f="$(mktemp)"
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for chapter in $(list_chapters_in_book "$book_url"); do
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log scraping book chapter $chapter of $book_url
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if ! should_scrape_book_chapter "$chapter"; then
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continue
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fi
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scrape_book_chapter "$chapter" > "$f"
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log scraping book title from $f
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local title="$(grep '^\#' "$f" | head -n 1 | sed 's/^\#*//' | sed 's/^[ ]*//' | sed 's/[ ]*$//')"
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if [ -z "$title" ]; then
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log "WARNING: NO TITLE FOUND IN $f ($chapter): $(head -n 3 $f)"
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return 1
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fi
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mv "$f" "$output"/"$title"
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done
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if [ -f "$f" ]; then
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rm "$f"
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fi
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rm "$output/.wip"
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}
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should_scrape_book_chapter() {
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local url="$1"
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log foo:should_scrape_book_chapter $url
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if scrape_dndbeyond "$url" | grep -i "add to cart" &> /dev/null; then
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log "not purchased: $url"
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return 1
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fi
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}
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scrape_book_chapter() {
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local url="$1"
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log foo:scrape_book_chapter $url
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scrape_dndbeyond "$url" \
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| html_to_markdown "$url"
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}
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list_chapters_in_book() {
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local book_url="${1%/}"
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local book_domain="${book_url%%.com/*}.com"
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log domain=$book_domain
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local book_url_path="${book_url##*.com}"
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book_url_path="${book_url_path%#*}"
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if ! should_scrape_book_chapter "$book_url"; then
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return
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fi
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local raw="$(scrape_dndbeyond "$book_url")"
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if echo "$raw" | grep 'href="https:..www.dndbeyond.com.compendium[^"]*' &> /dev/null; then
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echo "$raw" | grep -o 'https:..www.dndbeyond.com.compendium[^"]*'
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elif echo "$raw" | grep "href=\"$book_url/" &> /dev/null; then
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echo "$raw" | grep -o "${book_url//\//.}\/[^\"]*"
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elif echo "$raw" | grep "href=\"${book_url_path//\//.}\\/" &> /dev/null; then
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echo "$raw" | grep -o "href=\"${book_url_path//\//.}\/[^\"]*" | sed 's/href=\"//' | sed "s/^/${book_domain//\//\\/}/g"
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else
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echo "ERROR: FOUND NO CHAPTERS IN $book_url" >&2
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return 1
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fi \
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| sed 's/#.*//' \
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| sort -u
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}
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scrape_dndbeyond() {
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log foo:scrape_dndbeyond $@
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local d="${TMPDIR:-/tmp}/scrape_cache"
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mkdir -p "$d"
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local f="$d/$(echo "$*" | base64)"
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if [ -f "$f" ]; then
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if cat "$f" | grep .; then
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return
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fi
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fi
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_scrape_dndbeyond "$@" | tee "$f"
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}
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_scrape_dndbeyond() {
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log foo:_scrape_dndbeyond $@
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rate_limit_1s scrape_dndbeyond
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curl -L -sS "$1" \
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-H 'authority: www.dndbeyond.com' \
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-H 'cache-control: max-age=0' \
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-H 'upgrade-insecure-requests: 1' \
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-H 'user-agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36' \
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-H 'accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9' \
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-H 'sec-gpc: 1' \
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-H 'sec-fetch-site: none' \
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-H 'sec-fetch-mode: navigate' \
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-H 'sec-fetch-user: ?1' \
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-H 'sec-fetch-dest: document' \
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-H 'accept-language: en-US,en;q=0.9' \
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-H 'cookie: Preferences=undefined; Preferences=undefined; Geo={%22region%22:%22UT%22%2C%22country%22:%22US%22%2C%22continent%22:%22NA%22}; ResponsiveSwitch.DesktopMode=1; sublevel=ANON; Preferences=undefined; ddbSiteBanner:fd981371-c501-4638-a64b-0d9a5c8da68b=true; G_ENABLED_IDPS=google; User.ID=109926924; User.Username=squeaky2x3; Preferences.Language=1; UserInfo={"UserId":109926924,"UserJoinDate":"2021-03-25","UserSessionId":"5993614e-774f-4b55-89de-c88120abea59"}; RequestVerificationToken=6dc61cff-204f-45a0-a39f-edcea6a23072; Preferences.TimeZoneID=1; LoginState=aa3ada1f-7ab9-4804-a177-858bd2b4d693; CobaltSession=eyJhbGciOiJkaXIiLCJlbmMiOiJBMTI4Q0JDLUhTMjU2In0..ZYTOkNPFaI619J4f0rSamg.Wu7iDGvwCv-S2uiAftwHIienWEyGno2diWV6KU_KMnjzJGog2bIr8XorEpMshuGW.GN5g3TsaP_jm0d3THUnftA; ddbSiteBanner:d7e00153-5c1f-442c-a584-b3b814abc854=true; AWSELB=17A593B6CA59C3C4856B812F84CD401A582EF083E14A2E133FB99235E1D3CC671549BC8DF3DD0A01DD4815C023F988F55E0E9527B680F5A93AEBF8E5ADAA49A8F75A9276; AWSELBCORS=17A593B6CA59C3C4856B812F84CD401A582EF083E14A2E133FB99235E1D3CC671549BC8DF3DD0A01DD4815C023F988F55E0E9527B680F5A93AEBF8E5ADAA49A8F75A9276; _pxhd=fFcuMtI4ivDtBeMpMP/C7iQM0Tq6VQ3S7Ez2cFTQR3660-FAmmxJN1nf10BpNrlWlqlcOEbI4RNwUBHISjoo/A==:daB4hDYpQC3vi3ldLNM4PFvrSLt41cDr81ohF5gDoCaFGENWNSNvkbM9u5BjZ2zgHKWbzxAz4B0PTu0FnstnbJzhd3uPJGcXecasPyv7C04=; WarningNotification.Lock=1' \
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-H 'dnt: 1' \
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--compressed
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return
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curl -L -sS \
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"$1" \
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--compressed \
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-H 'Cookie: Preferences=undefined; Preferences=undefined; _pxhd=NHdkEjOXnAEHojER86i0Egmnm85GLvifiQxURPISwVtzWLNwuqQbIk1Y/2MjheQqNP4CsBXhuc4UG5-qcmLjYw==:hGx3TOEjeVaJPMfrXXnmyG7-btpQhZutwvpVBKwEbNXTAkEQvgmIs/faKB6s8537Nivj6epH9HpOWYURQeazeMwSMReW6EMazW09Rci-PJI=; ResponsiveSwitch.DesktopMode=1; ddbSiteBanner:00523ca3-81a4-4d2a-8f86-9e40273af2e2=true; LoginState=2c011278-8a3d-4cf7-a141-221f42694333; G_ENABLED_IDPS=google; CobaltSession=eyJhbGciOiJkaXIiLCJlbmMiOiJBMTI4Q0JDLUhTMjU2In0..vh9-_2G_aEjMvJ2PFAAE4w.eheZuOJLp-3NyiAJZzKqaSc91lH0ganCRsDZPYMGIG3265AppaHh0uMQLu_-P6WX.bHRi_gX8PKtQGZwVmNeb1Q; Preferences.Language=1; Preferences.TimeZoneID=1; ddbSiteBanner:d8879cae-c68e-4411-9ea0-a49d77fe5454=true; Ratings=null; _pxvid=f6abe72c-49a6-11ec-b844-57447254714c; ddbSiteBanner:fd981371-c501-4638-a64b-0d9a5c8da68b=true; Geo={%22region%22:%22ON%22%2C%22country%22:%22CA%22%2C%22continent%22:%22NA%22}; RequestVerificationToken=983cd9ce-c03c-4b8b-b6c1-a0561b39cb47; sublevel=ANON; Preferences=undefined; User.ID=109926924; User.Username=squeaky2x3; UserInfo={"UserId":109926924,"UserJoinDate":"2021-03-25","UserSessionId":"77896779-c672-42d1-903b-f6caba6ec599"}; pxcts=5eb1b230-525e-11ec-aa22-793bf1473016; WarningNotification.Lock=1' \
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-H 'User-Agent: Mozilla/5.0 (Windows NT 10.0; rv:91.0) Gecko/20100101 Firefox/91.0' \
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-H 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,*/*;q=0.8' \
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-H 'Accept-Language: en-US,en;q=0.5' \
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-H 'Referer: https://www.dndbeyond.com/' \
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-H 'DNT: 1' \
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-H 'Connection: keep-alive' \
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-H 'Upgrade-Insecure-Requests: 1' \
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-H 'Sec-Fetch-Dest: document' \
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-H 'Sec-Fetch-Mode: navigate' \
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-H 'Sec-Fetch-Site: same-origin' \
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-H 'Sec-Fetch-User: ?1' \
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-H 'Pragma: no-cache' \
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-H 'Cache-Control: no-cache' \
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-H 'TE: trailers';
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}
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url_to_title_candidate() {
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local url="${1%#*}"
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url="${url%/}"
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local url_title_candidate="${url##*/}"
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url_title_candidate="$(
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echo "$url_title_candidate" \
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| tr '[:upper:]' '[:lower:]' \
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| sed 's/[^a-z]/./g'
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)"
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local with_wildcards=".*"
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for i in $(seq 0 ${#url_title_candidate}); do
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with_wildcards+=${url_title_candidate:$i:1}
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with_wildcards+=".*"
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done
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url_title_candidate="$with_wildcards"
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echo "$url_title_candidate"
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}
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html_to_markdown() {
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local url_title_candidate="$(url_to_title_candidate "$1")"
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local url_title_candidate_2="$(url_to_title_candidate "$(dirname "$1")")"
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local out="$(
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pandoc -f html -t markdown --ascii --toc --wrap=none --strip-comments -o - \
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| sed '/^[ ]*:::.*/d' \
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| sed -e '/^Share$/,$d' \
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| sed 's/^\(\#\#*\) \[](#\([^)]*\))/\1 /' \
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| sed 's/{#\([^ ]*\)[^}]*}/\n\n<a name="\1"><\/a>/' \
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| sed 's/\[\([^]]*\)]\(([^)]*)\)*\({[^}]*}\)*/\1/g' \
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| sed "s/\\\\\([\"']\)/\1/g"
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)"
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local target="$(
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if echo "$out" | grep '^# Appendix' &> /dev/null; then
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echo Appendix
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elif echo "$out" | grep '^# Chapter' &> /dev/null; then
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echo Chapter
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elif echo "$out" | grep '^# Preface' &> /dev/null; then
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echo Preface
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elif echo "$out" | grep '^# Introduction' &> /dev/null; then
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echo Introduction
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elif echo "$out" | grep '^# Credits' &> /dev/null; then
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echo Credits
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elif echo "$out" | grep '^# Monsters' &> /dev/null; then
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echo Monsters
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elif echo "$out" | grep -i '^# '"$url_title_candidate" &> /dev/null; then
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target="$(echo "$out" | grep -i '^# '"$url_title_candidate" | sed 's/^\#[ ]*//' | head -n 1)"
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log WARNING: URL title candidate $target
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echo "$target"
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else
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log WARNING: NOTHING INDICITIVE OF TYPE OF CONTENT FOUND, including matching $url_title_candidate
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echo "$out" | grep '^#' | while read -r line; do
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log candidate="$line"
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done
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echo Chapter
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fi
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)"
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log target=$target
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echo "$out" \
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| sed -e '/^# '"$target"'/p' -e '0,/^# '"$target"'/d'
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}
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rate_limit_1s() {
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local name="$1"
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local d="${TMPDIR:-/tmp}"/rate_limited
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mkdir -p "$d"
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local last_run="$(date -r "$d/$name" +%s)"
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local now="$(date +%s)"
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local interval=6
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log "should sleep while $(($(date +%s)-last_run)) < $interval"
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if [ -f "$d/$name" ]; then
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while [ "$(($(date +%s)-last_run))" -lt $interval ]; do
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sleep 1
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done
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fi
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touch "$d/$name"
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}
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if [ "$0" == "$BASH_SOURCE" ]; then
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main "$@"
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fi
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