#!/bin/bash

# $RANDOM returns a different random integer at each invocation.
# Nominal range: 0 - 32767 (signed 16-bit integer).

RANGE=`ls -l /mnt/card/boot_screens/ | grep -c bmp`
echo

number=$RANDOM
let "number %= $RANGE"
exec sdisp "/mnt/card/boot_screens/Startup_screen"$number".bmp"
echo

exit 0