birdcam-pi/randomvideo.sh

#!/bin/sh

folderext="/media/video/video" 			### var: path to videofiles on external device
folderint="/home/pi/birdcam/video" 		### var: path to videofiles on sdcard storage
player="cvlc"					### var: player command
playerparam="--no-osd --play-and-exit"		### var: player parameters

player_path="$(command -v $player)"

player_package="vlc"				### var: player apt package
mountdevice="sda1"				### var: device for mediafiles

if [ -z "$player_path" ]; then
	echo "Missing $player, try to install it ..."

	echo "Check internet connection ..."
        pingserver="raspbian.raspberrypi.org"	### var: pingcheck destination
        if ! ping -q -c1 $pingserver>/dev/null; then
                echo "No internet connection ..."
                exit 0
        fi

	sudo apt-get update; sudo apt-get -y install $player_package

	player_path="$(command -v $player)"

	if [ -z "$player_path" ]; then
		echo "Cannot install $player, exiting ..."
		exit 0
	fi
fi

while true; do

	mountstat="$(mount | grep $mountdevice)"

	if [ -z "$mountstat" ]; then
		folder="$folderint"

	elif [ -n "$mountstat" ]; then
		folder="$folderext"
	
	fi
	
	file="$(find "$folder" -maxdepth 1 -type f |sort -R |head -n1)"
	
	while [ "$file" = "$oldfile" ]; do
		file="$(find "$folder" -maxdepth 1 -type f |sort -R |head -n1)"
	done
	
	oldfile="$file"
	$player $playerparam $file

done