Upload bash script crex.sh

Query domain name creation and expiration dates.

crex.sh

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+#!/bin/bash
+# Description: Query Domain Name Creation and Expiration dates.
+# Usage: crex.sh <domain.tld>
+# Author: Justin Oros
+# Source: https://github.com/JustinOros
+
+# Dependency Checks
+TARGET_FILE='/usr/bin/whois'
+if [ ! -f "$TARGET_FILE" ]
+then
+    echo "$TARGET_FILE does not exist."
+    exit
+fi
+
+TARGET_FILE='/usr/bin/grep'
+if [ ! -f "$TARGET_FILE" ]
+then
+    echo "$TARGET_FILE does not exist."
+    exit
+fi
+
+TARGET_FILE='/usr/bin/awk'
+if [ ! -f "$TARGET_FILE" ]
+then
+    echo "$TARGET_FILE does not exist."
+    exit
+fi
+
+TARGET_FILE='/usr/bin/head'
+if [ ! -f "$TARGET_FILE" ]
+then
+    echo "$TARGET_FILE does not exist."
+    exit
+fi
+
+# User Input
+DOMAIN_NAME=$1
+
+# Get Creation Date
+CREATION_DATE=$(whois $DOMAIN_NAME | grep 'Creation' | awk '{print $3;}' | head -n 1)
+
+# Get Expiration Date
+EXPIRATION_DATE=$(whois $DOMAIN_NAME | grep 'Expiration' | awk '{print $5;}')
+
+# Output Results
+echo '-'
+echo 'Domain:' $DOMAIN_NAME
+echo 'Creation:' $CREATION_DATE
+echo 'Expiration:' $EXPIRATION_DATE
+echo '-'