Docker Save&Compress

#!/bin/bash

for image in $1; do

IFS='/' read -ra ADDR <<< "$image"
len=${#ADDR[@]}

#echo $(expr $len - 1)
file=${ADDR[$(expr $len - 1)]}

echo Docker Working on $file..

docker save $image > "$file.tar"

echo ///////
done;
echo Compressing Files..
7za a -t7z -m0=lzma2 -mx=9 -mfb=64 -md=64m -sdel -v400m newimages.7z *tar

# Doesnt work because 7z doesn't suport multi volume updates..

echo Removing temporary file $file.

rm -rf *tar