#!/bin/sh -e BOOKSHELF_URL="https://magpi.raspberrypi.org/bookshelf.xml" GUIDE_URL="$(curl -s "$BOOKSHELF_URL" | awk -F '[<>]' "/Raspberry Pi Beginner's Guide v3<\/TITLE>/ {f=1; next} f==1 && /PDF/ {print \$3; exit}")" OUTPUT="$(basename "$GUIDE_URL" | cut -f1 -d'?')" if [ ! -f "files/$OUTPUT" ]; then rm files/*.pdf -f curl -s "$GUIDE_URL" -o "files/$OUTPUT" fi file "files/$OUTPUT" | grep -q "PDF document" install -v -o 1000 -g 1000 -d "${ROOTFS_DIR}/home/${FIRST_USER_NAME}/Bookshelf" install -v -o 1000 -g 1000 -m 644 "files/$OUTPUT" "${ROOTFS_DIR}/home/${FIRST_USER_NAME}/Bookshelf/"