#!/bin/bash
# Extracts image files from PDF files

if [ ! -f "${i}" ]; then
  echo "${i} does not exist!"
  exit 1
fi

pdf_file="${1}"
directory="$(echo ${1} | sed -e 's/\.pdf$//')"

mkdir -p "${directory}"
pdfimages -j "${pdf_file}" "${directory}"/PDFImage
if [ $? -eq 0 ]; then
  echo "Images were successfully extracted!"
  exit 0
else
  echo "I failed"
  exit 1
fi