The script I use to build an epub version of https://coffeescript-cookbook.github.io/

make_coffeescript_cookbook.sh

#!/usr/bin/env bash

cat <<EOF > list_input.rb
require 'yaml'

cur_dir = File.expand_path(File.dirname(__FILE__))
chapters = YAML.safe_load(IO.read(cur_dir + '/_data/chapters.yml'))

puts "#{cur_dir}/license.md\n#{cur_dir}/authors.md"

chapters.each do |c|
  dirname = c.tr(' ', '_').downcase
  Dir.glob("#{cur_dir}/chapters/#{dirname}/*.md") do |filename|
    puts filename
  end
end

["#{cur_dir}/contributing.md",
 "#{cur_dir}/authors-guide.md",
 "#{cur_dir}/developers-guide.md",
 "#{cur_dir}/designers-guide.md"].each do |filename|
  puts filename
end
EOF

files=$(ruby list_input.rb)

truncate -s 0 chapters_list

for f in $files; do
  echo '' >> "$f"
  echo '' >> "$f"
  sed -i 's/
//' "$f"

  cur_layout=$(sed -n '1,5s/^layout: \(.*\)$/\1/p' "$f")
  cur_title=$(sed -n '1,5s/^title: \(.*\)$/\1/p' "$f")

  if [ "$cur_layout" != 'default' -o "$cur_title" = 'License' -o "$cur_title" = 'Authors' ]; then
      cur_chapter=$(sed -n '1,5s/^chapter:\( *\)\(.*\)$/\2/p' "$f")

      truncate -s 0 cur_temp
      sed -r 's/^(#+)\s+(.*)$/#\1 \2/' "$f" > cur_main

      if [ x"${cur_chapter}" != x ]; then
          if ! grep -iq "$cur_chapter" chapters_list ; then
              echo "$cur_chapter" >> chapters_list
              printf "# %s\n\n" "$cur_chapter" >> cur_temp
          fi
      fi

      [ "$cur_layout" != 'default' -a x"${cur_title}" != x ] && \
          printf "## %s\n\n" "$cur_title" >> cur_temp

      cat cur_temp cur_main > "$f"
  fi

  sed -i -e '
1,10 {
  s/^chapter: .*$//
  s/^title: .*$//
  s/^layout: .*$//
  s/^---$//
}' "$f"

  loc_dir=$(dirname "$f")
  sed -i "s|img src=\"images/|img src=\"$loc_dir/images/|" "$f"
done

cat $files > doc.md

sed -i -e 's/^{% endhighlight %}$/```/' \
    -e 's/^{% highlight \([^ ]*\).* %}$/```\1/' doc.md
sed -i -r 's/\s+$//' doc.md

cat <<EOF > cover.md
---
title: CoffeeScript Cookbook
...

# About this book

EOF

pandoc -S --normalize -o coffeescript_cookbook.epub cover.md doc.md

for lineinfo in $(git status -sb | sed -e "/^##/d" -e "s/^ \(A\|C\|D\|M\|R\) \(.*\)$/\1\1\1\2/" -e "s/^?? \(.*\)$/???\1/"); do
  linestatus=${lineinfo:0:3}
  linefile=${lineinfo:3}
  case "$linestatus" in
    MMM|AAA|DDD|RRR|CCC) git checkout $linefile ;;
    '???')
      [ "$linefile" != 'make_epub.sh' -a "$linefile" != 'coffeescript_cookbook.epub' ] && \
          rm -r $linefile ;;
  esac
done