Marius van Witzenburg We fight for our survival, we fight!

!/bin/sh
 
if [ -z "$1" ]
then
    echo "Usage: $0 ad1"
    exit    
fi
 
doExit() {
    exit $? 
}
trap doExit SIGINT
 
confirmed=0
for n in 1 2 3 4 5 6 7 
do
    if [ -c "/dev/$1" ]
    then    
        if [ "$confirmed" -eq 0 ] 
        then    
            echo "Erase /dev/$1 ?"
            read -e confirm 
        fi      
        if [ "$confirm" = "yes" ] 
        then    
            confirmed=1
            /bin/dd if=/dev/urandom of=/dev/$1 bs=8b
        else    
            echo "Be careful!"
            exit    
        fi      
    else    
        echo "Device not found!"
        exit    
    fi
done