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scramble_email.sh

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+#!/bin/bash
+if [ -z "$1" ]; then
+    read -p "Enter an email to scramble: " clean_email
+elif [[ "$1" == "-h" || "$1" == "--help" ]]; then
+    echo 'Usage: scramble_email.sh [emailtoscramble]
+       
+$ scramble_email.sh "address@email.com"
+    outputs: address at email dot com
+
+$ echo "address@email.com" | scramble_email.sh
+    outputs: address at email dot com
+
+$ xargs -I {} -a email_list.txt scramble_email.sh {} > scrambled_emails.txt
+    input a txt file with emails and scramble them into a new txt file
+'
+exit
+else
+    clean_email="$1"
+fi
+
+email_pattern="^[A-Za-z0-9._%+-]+@[A-Za-z0-9.-]+\.[A-Za-z.]{2,8}$"
+
+if [[ $clean_email =~ $email_pattern ]]; then
+    scrambled_email="${clean_email//./' dot '}"
+    scrambled_email="${scrambled_email//@/' at '}"
+    echo $scrambled_email
+else
+echo "Invalid email address. Please enter a valid email."
+fi