1-world_wide_web

#!/usr/bin/env bash
# displays information about subdomains

sub_info () {
    
    if [ "$#" -eq 2 ]; then
        dig $2.$1 | grep -A1 'ANSWER SECTION:' | tr '\n' ' ' | awk '{split($0,a," "); split(a[4],b,"."); printf "The subdomain %s is a %s record and points to %s\n",b[1], a[7], a[8]}'
    elif [ "$#" -eq 1 ]; then
        dig www.$1 | grep -A1 'ANSWER SECTION:' | tr '\n' ' ' | awk '{split($0,a," "); printf "The subdomain www is a %s record and points to %s\n", a[7], a[8]}'
        dig lb-01.$1 | grep -A1 'ANSWER SECTION:' | tr '\n' ' ' | awk '{split($0,a," "); printf "The subdomain lb-01 is a %s record and points to %s\n", a[7], a[8]}'
        dig web-01.$1 | grep -A1 'ANSWER SECTION:' | tr '\n' ' ' | awk '{split($0,a," "); printf "The subdomain web-01 is a %s record and points to %s\n", a[7], a[8]}'
        dig web-02.$1 | grep -A1 'ANSWER SECTION:' | tr '\n' ' ' | awk '{split($0,a," "); printf "The subdomain web-02 is a %s record and points to %s\n", a[7], a[8]}'
    fi

}

sub_info $1 $2