rpi_timelapse.sh

#!/bin/bash

TIMESTAMP=$(date +"%Y-%m-%d_%T")
FILE="/home/pi/timelapse/$TIMESTAMP.jpg"

EX="beach"
ISO="100"
HOUR=$(date +"%k")
if [ $HOUR -lt 6 ] || [ $HOUR -gt 18 ];
then
	EX="night"
	ISO="400"
fi

echo "Taking photo $FILE"
raspistill -o $FILE -q 100 -ISO $ISO -awb horizon -ex $EX -rot 180

echo "Syncing"
/usr/bin/rsync --progress -avhz --update /home/pi/timelapse/ user@server.com:/home/user --ignore-errors

exit 0