Script to convert a VirtualBox VDI to RAW disk image

vdi2raw.sh

#!/bin/bash
LODEV=$(sudo losetup -f)

# The output file name
FNAME="diskimage"

# File extension for the vmdk copy
VMDKEXT="vmdk"
# File extension for the raw copy
RAWEXT="raw"

echo "Cleaning up old files"
[[ -f $FNAME.$RAWEXT ]] && rm $FNAME.$RAWEXT

VBoxManage list hdds
read -p "Enter the UUID of the VDI you want to convert: " VDIUUID

echo "Converting VDI to VMDK format."
VBoxManage clonehd $VDIUUID $FNAME.$VMDKEXT --format=VMDK

echo "Converting VMDK to RAW format."
qemu-img convert -f vmdk $FNAME.$VMDKEXT -O raw $FNAME.$RAWEXT

echo "Listing partitions and offsets in VDI."
parted $FNAME.$RAWEXT unit b print

read -p "Please provide the offset as required from above: " OFFSET
sudo losetup -o $OFFSET $LODEV $FNAME.$RAWEXT

# Remove the VMDK file, as it's not required any more
[[ -f $FNAME.$VMDKEXT ]] && rm $FNAME.$VMDKEXT

echo "$LODEV is now ready to mount the partition you require access to."