scio_collector_script.sh

pi_dataLocationPol0='/home/pi/data_100MHz'
destinationLocation=$(pwd)
filePol0='pol0.scio'
filePol1='pol1.scio'
key=""
i=1

echo "PLEASE MAKE SURE YOU ESTABLISHED A SSH_RSA KEY PAIR ON THE RASPBERRY PI"
echo "++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++"
echo "Enter IP address of RaspberryPi:"
read ipAddress
echo "Attempting to connect to RaspberryPi at pi@$ipAddress"
echo "========================================================+="
sleep 1

while [ true ]; do	# Loop indefinitely out of the loop

parentDIRPol0=$(ssh pi@$ipAddress ls $pi_dataLocationPol0/ | tail -2| head -1)	#e.g Get this part '15030' in directory ~/data_100MHz/15030/1503004514
childDIRPol0=$(ssh pi@$ipAddress ls $pi_dataLocationPol0/$parentDIRPol0/ | tail -1) #e.g Get this part '1503004514' in directory ~/data_100MHz/15030/1503004514
parentDIRPol1=$(ssh pi@$ipAddress ls $pi_dataLocationPol0/ | tail -2| head -1)	#e.g Get this part '15030' in directory ~/data_70MHz/15030/1503004514
childDIRPol1=$(ssh pi@$ipAddress ls $pi_dataLocationPol0/$parentDIRPol1/ | tail -1) #e.g Get this part '1503004514' in directory ~/data_70MHz/15030/1503004514


echo "Connected to RaspberryPi at pi@$ipAddress"
echo "============================================="
sleep 1
echo "Getting data from directory pi@$ipAddress:$pi_dataLocationPol0/$parentDIRPol0/$childDIRPol0/"
echo "Getting data from directory pi@$ipAddress:$pi_dataLocationPol0/$parentDIRPol1/$childDIRPol1/"

sleep 3

rm $filePol0.bz2
rm $filePol1.bz2

     until $(test -s "$destinationLocation/$filePol0.bz2"); do #Repeat until the non-zero compressed file appears in the copy destination indicating SNAP board has 							   #completed its cycle and is creating a new directory

	#Copy the files after specified sleep time
	#Pol 0
		scp pi@$ipAddress:$pi_dataLocationPol0/$parentDIRPol0/$childDIRPol0/$filePol0.bz2 $destinationLocation/  && bzip2 -dkf 	$destinationLocation/$filePol0.bz2 \
		|| scp pi@$ipAddress:$pi_dataLocationPol0/$parentDIRPol0/$childDIRPol0/$filePol0 $destinationLocation #Try SSH copy of the bz2 file, Catch SSH copy of the scio file and replace in the destination folder
	#Pol 1
		scp pi@$ipAddress:$pi_dataLocationPol0/$parentDIRPol1/$childDIRPol1/$filePol1.bz2 $destinationLocation/  && bzip2 -dkf 	$destinationLocation/$filePol1.bz2 \
		|| scp pi@$ipAddress:$pi_dataLocationPol0/$parentDIRPol1/$childDIRPol1/$filePol1 $destinationLocation #Try SSH copy of the bz2 file, Catch SSH copy of the scio file and replace in the destination folder


	sleep 1

	done

done

echo " "
echo "------------------------------------------------------"
echo "PRIZM data capturing at 100MHz and 70MHz interrupted"

exit