wipe

#! /bin/bash
# Utility to wipe a harddrive
# Uses wipe and shred. Finally the drive is wiped clean with dd.

if (( $UID != 0 )); then
    echo "Not root, exiting.."
    exit 1
fi

if (( $# != 1 )); then
    echo "ERROR: Missing device"
    echo "Usage:$basename $0 device"
    exit 1
fi

if ! command -v wipe &> /dev/null; then
    echo "ERROR: wipe missing"
    exit 1
fi

if ! command -v shred &> /dev/null; then
    echo "ERROR: shred missing"
    exit 1
fi

disk=$(fdisk -l $1 | grep $1 | head -n 1)
if [[ $disk != "" ]]; then
    echo -n "Are you sure you want to wipe $disk? (y/n): "
else
    echo "ERROR: $1 not found"
    exit 1
fi
read answer

if [[ $answer == "y" ]]; then
    sudo wipe -q $1
    sudo shred -n 2 -vz $1
    sudo dd if=/dev/zero of=$1
fi