Get-root-zone

#!/bin/bash
# Created by: Raymond Chan
# for OPS535
# (c) 2010
url=http://zenit.senecac.on.ca/wiki/index.php/Domainreg

if [ ! -f raw.txt ]
then
   echo "Gettting wiki file from the web ..." >&2
   wget -O raw.txt $url
fi

buffer=$(cat raw.txt| grep ^'</td><td>')

nl=$(echo "$buffer"|wc -l)
a=0
b=5

while [ $a -lt $nl ]
do
   stuff=$(echo "$buffer"| head -"$b" | tail -5|nl|sed -e "s/<\/td><td>/x/g")
   #  echo "$stuff"
   fields=$(echo "$stuff"|sed -e "s/ //g"|awk -Fx {'print $2'})

   parameters=$(echo $fields)
   paratest=$(echo $parameters | sed -e "s/ //g")
   cc=$(echo $paratest | wc -w)
       # echo "paratest cc is $cc"

   if [ $cc -gt 0 ]
   then    
       #echo $a $parameters
       #read yyy    
       set $parameters

       if [ "$1" != "" -a "$3" != "" -a "$4" != "" ]
       then

            echo -e "${1}. \tIN \tNS \t$4."
            echo -e "${4}. \tIN \tA \t$3"
           echo " "

       fi
   fi

   let a=a+5
   let b=b+5

   #read xxx
done