Shell Programming and Scripting

; DNS record for the adomain.com domain
data1
data2
data3
data4
data5
CRLF
CRLF
CRLF
; DNS record for the anotherdomain.com domain
data1
data2
data3
data4
data5
data6
CRLF
CRLF
CRLF

awk -vRS=";" '/./{print $0 > $5}' dumpfile

while read line
do
        if grep -q -i "; DNS" <<<$line
        then
                name=$(echo "$line" | awk -F' ' '{print $6}')
        else
                echo "$line" >>  "$name"
        fi
 
done < inputfile

awk '/; DNS/{f=$(NF-1)}{print > f}' file

awk '/; DNS/{f=$(NF-1)}{print > f}' file

/; DNS/{f=$(NF-1)}  
  If the line begins with "; DNS" then assign the domain name ( last field - 1) to the variable f
{print > f}  
  print the line to the file with the name of the variable "f"