swipe.sh

#!/bin/bash

while true; do
	disk=$(ls -al /dev/ | awk '/ disk[0-9]$/{print $10}' | grep -Ev "(disk0|disk1)" | head -n1)
	if [ "x${disk}" = "x" ]; then
		sleep 2
        continue
    fi

    diskpath=/dev/${disk}
    mount | grep ${diskpath}

    if [ "x$?" = "x1"]; then
    	sleep 1
    	continue
    fi

    diskutil unmountDisk ${diskpath}
    diskutil zeroDisk ${diskpath}
    diskutil partitionDisk ${diskpath} 1 MBRFormat FAT32 UNTITLED 100%
done