Create recursive zip file to test email security solutions whether blocking recursively zipped files

recursive-zip-file-creation.sh

#!/bin/bash
REC_COUNT=40

echo "This script gonna create a zip file and make it ${REC_COUNT} times zipped resursively"
sleep 2

echo "test content" > test0.txt
zip -r test0.zip test0.txt


for i in $(seq 1 $REC_COUNT)
do
   zip -r "test${i}.zip" "test$(($i-1)).zip"
   echo "zipping $i times"
done

echo "Creating final zip file"
mv "test${REC_COUNT}.zip" final-test-file.zip
echo "Cleaning up temp files"
rm -f test*
echo "Your ${REC_COUNT} times zipped file created: final-test-file.zip"
echo "Done!"