use url as possible

poc.sh

@@ -11,6 +11,7 @@ main() {
 
    #set -x
 
+   #scrape_book_chapter  https://www.dndbeyond.com/compendium/rules/ggtr/azorius-senate
    #scrape_book_chapter  https://www.dndbeyond.com/sources/mm/monsters-e
    #scrape_book_chapter  https://www.dndbeyond.com/compendium/rules/dmg/appendix-b-monster-lists
 
@@ -82,7 +83,7 @@ scrape_book() {
 scrape_book_chapter() {
    local url="$1"
    scrape_dndbeyond $url \
-      | html_to_markdown
+      | html_to_markdown $url
 }
 
 list_chapters_in_book() {
@@ -124,6 +125,14 @@ scrape_dndbeyond() {
 }
 
 html_to_markdown() {
+   local url="${1%#*}"
+   url="${url%/}"
+   local url_title_candidate="${url##*/}"
+   url_title_candidate="$(
+      echo "$url_title_candidate" \
+         | tr '[:upper:]' '[:lower:]' \
+         | sed 's/[^a-z]/./g'
+   )"
    local out="$(
       pandoc -f html -t markdown --ascii --toc --wrap=none --strip-comments -o - \
       | sed '/^:::.*/d' \
@@ -138,14 +147,23 @@ html_to_markdown() {
          echo Appendix
       elif echo "$out" | grep '^##* Chapter' &> /dev/null; then
          echo Chapter
+      elif echo "$out" | grep '^##* Preface' &> /dev/null; then
+         echo Preface
       elif echo "$out" | grep '^##* Introduction' &> /dev/null; then
          echo Introduction
       elif echo "$out" | grep '^##* Credits' &> /dev/null; then
          echo Credits
       elif echo "$out" | grep '^##* Monsters' &> /dev/null; then
          echo Monsters
+      elif echo "$out" | grep -i '^##* '"$url_title_candidate" &> /dev/null; then
+         target="$(echo "$out" | grep -i '^##* '"$url_title_candidate" | sed 's/^\#\#*[ ]*//' | head -n 1)"
+         log WARNING: URL title candidate $target
+         echo "$target"
       else
          log WARNING: NOTHING INDICITIVE OF TYPE OF CONTENT FOUND
+         echo "$out" | grep '^#' | while read -r line; do
+            log candidate="$line"
+         done
          echo Chapter
       fi
    )"