if u have a data
2 4 6 8 5 4 4 5 6
then result shud be like
2
4
6
7
5
4
4
5
6
echo "2 4 6 8 5 4 4 5 6\c"|awk '1' RS=" "
echo 2 4 6 8 5 4 4 5 6 | tr ' ' '\n'
# s="2 4 6 8 5 4 4 5 6"
# for items in $s; do echo $items; done
2
4
6
8
5
4
4
5
6