build-chapter-pdfs.sh

#!/bin/bash
# Build one standalone high-quality PDF per chapter/appendix .tex file.
# Cross-chapter references are resolved against the full book (main.aux) via xr.
set -e
cd "$(dirname "$0")"

# Fresh main.aux so xr can resolve cross-references
latexmk -pdf -interaction=nonstopmode -halt-on-error main.tex >/dev/null

mkdir -p standalone build chapter-pdfs

# name : setup-code
entries=(
  "preface|\\chapter*{Preface}"
  "ch01-introduction|\\setcounter{chapter}{0}"
  "ch02-rationality|\\setcounter{chapter}{1}"
  "ch03-normal-form|\\setcounter{chapter}{2}"
  "ch04-nash|\\setcounter{chapter}{3}"
  "ch05-mixed|\\setcounter{chapter}{4}"
  "ch06-extensive|\\setcounter{chapter}{5}"
  "ch07-applications|\\setcounter{chapter}{6}"
  "ch08-bargaining|\\setcounter{chapter}{7}"
  "ch09-repeated|\\setcounter{chapter}{8}"
  "ch10-bayesian|\\setcounter{chapter}{9}"
  "ch11-dynamic-incomplete|\\setcounter{chapter}{10}"
  "ch12-zerosum|\\setcounter{chapter}{11}"
  "ch13-existence-refinements|\\setcounter{chapter}{12}"
  "ch14-mechanism-design|\\setcounter{chapter}{13}"
  "ch15-cooperative|\\setcounter{chapter}{14}"
  "ch16-evolutionary|\\setcounter{chapter}{15}"
  "ch17-algorithmic|\\setcounter{chapter}{16}"
  "ch18-frontiers|\\setcounter{chapter}{17}"
  "appendix-math|\\appendix\\setcounter{chapter}{0}"
  "appendix-solutions|\\appendix\\setcounter{chapter}{1}"
  "bibliography|\\backmatter"
)

for entry in "${entries[@]}"; do
  name="${entry%%|*}"
  setup="${entry#*|}"
  wrapper="standalone/${name}.tex"
  { echo '\documentclass[11pt,a4paper]{book}'
    echo '\input{preamble}'
    echo '\usepackage{xr}'
    echo '\externaldocument{main}'
    echo '\begin{document}'
    [ "$name" = "preface" ] || true
    echo "$setup"
    echo "\\input{chapters/${name}}"
    echo '\end{document}'
  } > "$wrapper"

  echo "=== Building ${name}.pdf"
  latexmk -pdf -interaction=nonstopmode -halt-on-error \
    -output-directory=build "$wrapper" >/dev/null
  mv "build/${name}.pdf" "chapter-pdfs/${name}.pdf"
done

echo "Done. PDFs in chapter-pdfs/:"
ls chapter-pdfs/