**Secure Data Erasure Script (Bash)** This Bash script securely erases data from a specified device with random data, ensuring irrecoverability. Use with caution.

secure_erase.sh

#!/bin/bash

# Check if the script is run with superuser privileges
if [ "$EUID" -ne 0 ]; then
  echo "Please run this script as root (sudo)."
  exit 1
fi

# Prompt the user for the target devices
read -p "Enter the target devices (e.g., /dev/sdX /dev/sdY): " target_devices

# Iterate through the space-separated list of target devices
for device in $target_devices; do
  # Check if the device exists
  if [ ! -e "$device" ]; then
    echo "Device $device does not exist."
    continue
  fi

  # Overwrite with random data
  echo "Erasing $device..."
  dd if=/dev/urandom of="$device" bs=4M status=progress
  echo "Finished erasing $device."
done