file_start="test"
file_end=".log"
while [ 1 ];
do
	currenttime=`date`
	mv "${file_start}${file_end}" "${file_start}-${currenttime}${file_end}"
	echo "Moved file ${file_start}${file_end} to '${file_start}-${currenttime}${file_end}"
	sleep 10
done;