burniso.sh

#!/bin/bash

# Ensure script runs as root
if [[ $EUID -ne 0 ]]; then
   echo "❌ This script must be run as root. Try: sudo $0"
   exit 1
fi

# Enable tab completion for file paths
iso_path=""
usb_device=""

# Function for reading input with tab completion
read_with_completion() {
    local prompt="$1"
    local var_name="$2"

    # Enable readline support for tab completion
    echo -n "$prompt"
    read -e -r "$var_name"
}

# List available block devices
echo "🔍 Available storage devices:"
lsblk
echo ""

# Ask user for the ISO file path with tab completion
read_with_completion "📁 Enter the full path to the ISO file: " iso_path

# Verify if ISO file exists
if [[ ! -f "$iso_path" ]]; then
    echo "❌ ISO file not found! Exiting..."
    exit 1
fi

# Ask user for the target USB device
read_with_completion "💾 Enter the target USB device (e.g., /dev/sdb): " usb_device

# Verify if the device exists
if [[ ! -b "$usb_device" ]]; then
    echo "❌ Invalid USB device! Exiting..."
    exit 1
fi

# Ask for confirmation before proceeding
echo ""
echo "⚠ WARNING: This will ERASE all data on $usb_device!"
read -rp "❗ Are you sure? (type 'yes' to continue): " confirm

if [[ "$confirm" != "yes" ]]; then
    echo "🚫 Operation cancelled!"
    exit 1
fi

# Unmount any mounted partitions on the USB
echo "🔄 Unmounting $usb_device..."
sudo umount "${usb_device}"* 2>/dev/null

# Write the ISO to USB using dd
echo "⏳ Writing ISO to $usb_device..."
sudo dd if="$iso_path" of="$usb_device" bs=4M status=progress conv=fdatasync

# Ensure all data is written before ejecting
sync

echo "✅ ISO successfully written to $usb_device!"
echo "💡 You can now safely remove the USB drive."

exit 0