Add device backup

modified:   ../install-little-backup-box.sh
	modified:   rc.py
	modified:   rc.tpl
	renamed:    ../camera-backup.sh -> ../scripts/camera-backup.sh
	renamed:    ../card-backup.sh -> ../scripts/card-backup.sh
	new file:   ../scripts/device-backup.sh

scripts/camera-backup.sh

@@ -0,0 +1,53 @@
+#!/usr/bin/env bash
+
+# This program is free software: you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation, either version 3 of the License, or
+# (at your option) any later version.
+
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+
+# You should have received a copy of the GNU General Public License
+# along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+# IMPORTANT:
+# Run the install-little-backup-box.sh script first
+# to install the required packages and configure the system.
+
+# Specify a storage device and its mount point
+HOME_DIR="/home/pi" # Home directory path
+SHUTD="5" # Minutes to wait before shutdown due to inactivity
+
+# Set the ACT LED to heartbeat
+sudo sh -c "echo heartbeat > /sys/class/leds/led0/trigger"
+
+# Shutdown after a specified period of time (in minutes) if no device is connected.
+sudo shutdown -h $SHUTD "Shutdown is activated. To cancel: sudo shutdown -c"
+
+# Wait for camera
+DEVICE=$(gphoto2 --auto-detect | grep usb | cut -b 36-42 | sed 's/,/\//')
+while [ -z ${DEVICE} ]
+	do
+	sleep 1
+	DEVICE=$(gphoto2 --auto-detect | grep usb | cut -b 36-42 | sed 's/,/\//')
+done
+
+# Cancel shutdown
+sudo shutdown -c
+
+# Obtain camera model
+# Create the target directory with the camera model as its name
+CAMERA=$(gphoto2 --summary | grep "Model" | cut -d: -f2 | tr -d '[:space:]')
+STORAGE_MOUNT_POINT="$HOME_DIR/$CAMERA"
+mkdir -p $STORAGE_MOUNT_POINT
+
+# Switch to STORAGE_MOUNT_POINT and transfer files from the camera
+# Rename the transferred files using the YYYYMMDD-HHMMSS format
+cd $STORAGE_MOUNT_POINT
+gphoto2 --get-all-files --skip-existing --filename=%Y%m%d-%H%M%S.%C
+
+# Shutdown
+shutdown -h now