echo Enter the name of the directory you want to tar
read directory_path
echo $directory_path
 # echo Enter the name of the file you dont want to tar 
 # read invalid
 # echo $invalid
 invalid = .backup
cd $directory_path
count = ls -lst | wc -l
count = 'expr $count - 1'
 while  [ $count -gt 0 ]
  do
  if [ $invalid -ne .backup ]
   then
     tar -cvfw /.../neregion.ibm.com/fs/home/fcrespo/pan.tar
 $directory_path  
  fi
     count='echo $count - 1 | bc'
 done