#!/usr/bin/env bash
#
# Check if domain is free or not.
#
if [ "$#" == "0" ]; then
    echo "usage: domain <names..>"
    exit 1
fi
#
DOMAINS=( \
  '.com' '.net' '.org' '.biz' \
  '.io'  '.us'  '.cc'  '.co'  \
  '.space' '.network' '.app'  \
  '.dev' '.live' \
)
#
#
ELEMENTS=${#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'
    if [ $? -eq 0 ]; then
      echo "ok : $1${DOMAINS[${i}]}"
    else
      echo "no : $1${DOMAINS[${i}]}"
    fi
  done
shift
done
#