#!/bin/bash
Script to image USB sticks in an easy and hopefully safe reassuring way
function bail () {
echo “Error: $@” 1>&2
exit 1
}
function usage () {
echo “Usage: $0 <usb-raw-image-file>” 1>&2
exit 1
}
$UID -eq 0 ]] || bail “You must be root”
udevadm --version &>/dev/null || bail “Could not run udevadm”
OPTION_IMAGE_FILE=$1
-z “$OPTION_IMAGE_FILE” ]] && usage
-e “$OPTION_IMAGE_FILE” ]] || bail “USB Raw Image file not found”
FIRST_DEVICE=
function list_usb_devices () {
echo “Available USB Disk Devices:”
for dev in $(/sbin/udevadm info --export-db | \
awk '/^P:/{sub("^P::space:]]*", "", $0); print}'); do
if udevadm info --path="$dev" --query=all | grep -q ID_TYPE=disk; then
if udevadm info --path="$dev" --query=all | grep -q ID_BUS=usb; then
MODEL=$(udevadm info --path="$dev" --query=all | \
awk -F= '/^E: ID_MODEL/{print $2}')
ROOT=$(udevadm info --root)
NODE=$(udevadm info --path="$dev" --query=all | \
awk '/^N:/{sub("^N::space:]]*", "", $0); print}')
NODE="${ROOT}/${NODE}"
if echo "$NODE" | grep -q "[0-9]$"; then
continue
fi
if mount | grep -q "^${NODE}"; then
echo " ${NODE} (${MODEL}) - MOUNTED"
mount | grep "^${NODE}" | sed 's,type.*,,;s,^, ,'
else
echo " ${NODE} (${MODEL})"
fi
-z "$FIRST_DEVICE" ]] && FIRST_DEVICE="$NODE"
fi
fi
done
-z "$FIRST_DEVICE" ]] && return 1 || return 0
}
function unmount_device () {
for mount in $(mount | grep “^${1}” | cut -f3 -d’ '); do
umount “$mount” || bail “Could not unmount ${mount} on ${1}”
done
}
function image_device () {
PROGRESS_FILE=$(mktemp)
TOTAL_SIZE=$(stat -c%s “$2”)
-e “$PROGRESS_FILE” ]] || bail “Could not create temp file”
( dd if="$2" of="$1" &>"$PROGRESS_FILE" &
DD_PID=$!
while ps -p $DD_PID &>/dev/null; do
sleep 1
kill -USR1 $DD_PID &>/dev/null
COPIED=$(tail -n1 < “$PROGRESS_FILE” | cut -f1 -d’ ‘)
PERCENT=$(echo “” |
awk ‘{print int((’$COPIED’/’$TOTAL_SIZE’) * 100)}’)
printf "\r${COPIED}/${TOTAL_SIZE} (%d%%) " $PERCENT
done
echo
rm -f “$PROGRESS_FILE”
) || bail “Failed to image ${1}”
}
if ! list_usb_devices; then
echo " No devices found."
exit 1
fi
if -z “$OPTION_DEVICE_NODE” ]]; then
read -p “Device node to image $FIRST_DEVICE]: " OPTION_DEVICE_NODE
-z “$OPTION_DEVICE_NODE” ]] && OPTION_DEVICE_NODE=”$FIRST_DEVICE"
fi
-e “$OPTION_DEVICE_NODE” ]] ||
bail “Device node $OPTION_DEVICE_NODE not found”
if mount | grep -q “^${OPTION_DEVICE_NODE}”; then
if -z “$OPTION_UNMOUNT” ]]; then
read -p
"Device ${OPTION_DEVICE_NODE} is mounted. Unmount it? (Y/N) [Y]: "
OPTION_UNMOUNT
-z “$OPTION_UNMOUNT” ]] && OPTION_UNMOUNT=“y”
fi
if "$OPTION_UNMOUNT" = "y" || "$OPTION_UNMOUNT" = "Y" ]]; then
echo "Unmounting ${OPTION_DEVICE_NODE}..."
unmount_device "$OPTION_DEVICE_NODE"
else
bail "Cannot image ${OPTION_DEVICE_NODE} without unmounting it"
fi
fi
echo “Imaging ${OPTION_DEVICE_NODE} with $(basename ${OPTION_IMAGE_FILE})…”
image_device “${OPTION_DEVICE_NODE}” “${OPTION_IMAGE_FILE}”
echo “Syncing…”
sync
echo “Ejecting…”
eject “${OPTION_DEVICE_NODE}”
echo “Done.”
This was a page on the website i downloaded the file but i wasn’t sure if it was a .sh?
I downloaded the raw they are both in my home directory what do I do?
I don’t know what to type into terminal my flash drive is unmounted
Can you move the file off your Desktop