wrimage

#1 input name

if [ -z "${1}" ]; then
	echo argument required
	exit 1
fi
fullname=${1}
filename=$(basename -- "${fullname}")
extension="${filename##*.}"
echo ${extension}

#a=( `df | cut -f1 -d' ' | tail -n +2` )
a=( `sudo fdisk -l | grep "^/" | cut -f1 -d' '` )
echo Plug the card and press a key.
read -n1 -t $((60*60*24))
#b=( `df | cut -f1 -d' ' | tail -n +2` ) #only when is automounting
b=( `sudo fdisk -l | grep "^/" | cut -f1 -d' '` )
aa=${#a[@]}
bb=${#b[@]}
c=( )
k=0
sudo fdisk -l
for ((i = 0; i < ${bb}; i++ )); do
	for ((j = 0; j < ${aa}; j++ )); do
		if [ "${a[${j}]}" = "${b[${i}]}" ]; then
			break
		fi
	done
	if [ ${j} -eq ${aa} ]; then
		df | tail -n +$((i+2)) | head -1
		c[${k}]=${b[${i}]}
		k=$((k+1))
		break
	fi
done
if [ ${k} -gt 0 ]; then
	for var in "${c[@]}"; do
		echo ${var}
		echo "blind umount or exit. y?"
		read -n1 -t $((60*60*24)) ans
		if [ "${ans}" = "y" ]; then
			sudo umount ${var}
		else
			echo no
			exit 1
		fi
	done
	name=${c[0]}
	for ((x = ${#name}; x > 0 ; )); do
		x=$((x-1))
		printf -v n "%d\n" "'${name:x:1}"
		if [ ${n} -ge 48 ] && [ ${n} -le 57 ]; then continue; fi
		break
	done
	name=${name:0:x+1}
	echo ${name}
	echo "Is ok? y?"
	read -n1 -t $((60*60*24)) ans
	if [ "${ans}" = "y" ]; then
		if [ "${extension}" = "xz" ]; then
			xzcat ${1} | sudo dd of=${name} status=progress bs=134217728; sync
		else
			sudo dd if=${fullname} of=${name} status=progress bs=134217728; sync
			#default bs is 512
		fi
	else
		echo no
	fi
fi