mkdir data_1992
mkdir data_1993
ls *.tar.gz | while read i
do
	tar -xzf $i
	filename=`echo $i | head -c18`
	chmod +rw $filename
	year=`echo $i | head -c8 | tail -c4`
	if [ $year -eq 1992 ] 
	then
		cp -v $filename data_1992/
	elif [ $year -eq 1993 ]
	then
		cp -v $filename data_1993/
	fi
	
done