#!/bin/sh -e magpi_regex="MagPi[[:digit:]]*.pdf" magpi_loc="$(curl -s https://magpi.raspberrypi.org/latest-pdf)" magpi_latest="$(echo "$magpi_loc" | grep "$magpi_regex" -m 1 -o)" if [ ! -f "files/$magpi_latest" ]; then find files/ -regextype grep -regex "files/$magpi_regex" -delete wget "$magpi_loc" -O "files/$magpi_latest" fi file "files/$magpi_latest" | grep -q "PDF document" install -v -o 1000 -g 1000 -d "${ROOTFS_DIR}/home/${FIRST_USER_NAME}/MagPi" install -v -o 1000 -g 1000 -m 644 "files/$magpi_latest" "${ROOTFS_DIR}/home/${FIRST_USER_NAME}/MagPi/"