Compile LaTex with or without (cross) references for improved performance.

run.sh

#!/bin/bash

# Setting defaults
FILE="./main"
mkdir -p "./out"
OUT_DIR="./out"
REFS=false
CROSS_REFS=false

function usage() {
  echo "Usage: $(basename "$0") [-cr] [-i input_file] [-o output_dir]" 2>&1
  echo '   -c   Compiles cross references.'
  echo '   -i   Specifies the input file.'
  echo '   -o   Specifies the output directory.'
  echo '   -r   Compiles references.'
  echo 'If no options are set, main.tex will be compiled without references into the ./out/ directory.'
}

while getopts "ci::o::r" flag; do
  case "${flag}" in
  c)
    CROSS_REFS=true
    ;;
  i) #
    REFS=true
    FILE=${OPTARG}
    ;;
  o)
    REFS=true
    rmdir "./out"
    mkdir -p "${OPTARG}"
    OUT_DIR=${OPTARG}
    ;;
  r)
    REFS=true
    ;;
  ?)
    usage
    rmdir "./out" 2>/dev/null
    exit 1
    ;;
  esac
done

# Fast compile
pdflatex -output-directory="${OUT_DIR}" "${FILE}.tex"

# Compile references
if [ "${CROSS_REFS}" = true ] || [ "${REFS}" = true ]; then
  cp ./*.bib "${OUT_DIR}"
  bibtex "${OUT_DIR}/${FILE}"
  pdflatex -output-directory="${OUT_DIR}" "${FILE}.tex"
  # Compile cross references
  if [ "${CROSS_REFS}" = true ]; then
    pdflatex -output-directory="${OUT_DIR}" "${FILE}.tex"
  fi
  rm "${OUT_DIR}/"*.bib
fi