Get-root-zone

Sample Bash script for extracting Domain Registration wiki page Domainreg and create a root zone file.

#!/bin/bash
# Created by: Raymond Chan
# for OPS535
# (c) 2016 - update for new wiki site
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>')

nl=$(echo "$buffer"|wc -l)
a=0
b=6

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

	parameters=$(echo $fields)
	cc=$(echo $parameters | wc -w)
        # echo "paratest cc is $cc"

	if [ "$cc" -gt 0 ]
	then	
		#echo $a $parameters
		#read yyy	
		set $parameters
		if [ "$1" != "domainname" ]
		then
			if [ "$1" != "" -a "$3" != "" -a "$4" != "" ]
			then

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

	let a=a+6
	let b=b+6

	#read xxx
done