#!/bin/bash
SOURCEFILE=$1
DEVICE=$2
if [ -z "$3" ]
 then
  let SIZE=`/sbin/fdisk -s $DEVICE`*1024
 else
  SIZE=$3
 fi

echo "Snowing $DEVICE ($SIZE bytes)."
cat $SOURCEFILE|gpg --cipher blowfish -c|snowstream $SIZE|dd of=$DEVICE