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#!/bin/bash
if [ $# -ne 2 ]
then
echo Usage: $0 SOURCE SINK
exit 1
fi
if [ ! -e $1 -o ! -e $2 ]
then
echo "Filename(s) invalid."
exit 2
fi
if grep $2 /etc/mtab > /dev/null
then
echo Device is mounted. Aborting
exit 3
fi
read -p "Writing $1 to $2. Continue? (y/N)" cont
case $cont in
[yY]);;
*)
echo Aborting.
exit 4;;
esac
sudo -v
FILESIZE=$(du -b $1 | cut -f 1)
BLOCKSIZE=$(sudo blockdev --getsize64 $2)
if [ $FILESIZE -gt $BLOCKSIZE ]
then
echo $1 is too large for $2.
exit 5
fi
echo Writing $FILESIZE Bytes to $2
dd if=$1 | pv --size $FILESIZE | sudo dd of=$2
exit 0
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