wenz u wantz domainz

canihazdomain.sh

#!/usr/bin/env bash

# Name: Check for domain name availability
# Author: ype
# Source: https://github.com/ype/canihazdomain
# Based On: linuxconfig.org

# Usage:
#   canihazdomain domain_name

INPUT="$@"

if [ "$INPUT" == "0" ]; then
    echo "You need tu supply at least one argument!"
    exit 1
fi

DOMAINS=( )
icann_top_level_domains_list() {
    local TLDS_LIST="$HOME/tmp/tlds-alpha-by-domain.txt"
    echo -e "\e[2mFetching ICANN Top-Level Domains list...\e[0m";
    curl -sL \
	 --url "http://data.iana.org/TLD/tlds-alpha-by-domain.txt" \
	| sed 1d \
	| tr '[[:upper:]]' '[[:lower:]]' > "$TLDS_LIST"
    while read TLD; do
	DOMAINS+=( $(echo ".$TLD") );
    done <"$TLDS_LIST"
}

check_domains() {
    ELEMENTS=${#DOMAINS[@]};
    while (( "$#" )); do
	for (( i=0;i<$ELEMENTS;i++)); do
	    whois $1${DOMAINS[${i}]} \
		| egrep -q '^No match|^NOT FOUND|^Not fo|AVAILABLE|^No Data Fou|has not been regi|No entri|connect: Connection refused'
	    if [ $? -eq 0 ]; then
		printf "%s\e[1m\e[32m%-20s\e[0m\e[0m<<<<<<>>>>>>%20s\e[0m\n" \
		       "$1" \
		       "${DOMAINS[${i}]}" \
		       "available"
	    fi
	done
	shift
    done
}


main() {
    icann_top_level_domains_list;
    sleep 2;
    check_domains "$INPUT";
}

main;