[root@harry ~]# cat my.sh
#!/bin/bash
#
line_total=`cat 20080512.log|wc -l`
echo $line
line_num=1
while [ "$line_num" -le  "$line_total" ]
do
        file_name=`sed -n "$line_num"p 20080512.log`
        tar -crvf 20080512.tar $file_name
        line_num=`expr $line_num + 1`
done
[root@harry ~]#