#!/bin/sh
# $Id: erasespace,v 1.1 2005/06/21 20:21:40 abs Exp $

data()
    {
    while cat DATA ; do
        count=$(($count + ${SIZE}))
        printf "Pass $loop, ${count}M\r" >&2
    done
    }
SIZE=8
loop=0
while true ; do
    loop=$(($loop + 1))
    echo Start $loop
    dd if=/dev/urandom of=DATA bs=${SIZE}m count=1 2> /dev/null
    count=0
    data > SPACE
    echo
    rm SPACE
    sync
    sleep 5
    sync
    sleep 5
done

