#!/bin/bash
#
# zip_images_recursive Resizing large JPGs in current directory
# Based on: https://shkspr.mobi/blog/2016/12/converting-rar-to-zip-in-linux/
#
# Usage: xxx.sh

pushd () {
    command pushd "$@" > /dev/null
}

popd () {
    command popd "$@" > /dev/null
}

cwd=${PWD##*/}
directoryTree="${cwd}"

if [ "$#" -ne 0 ]; then
    directoryTree="${1} - ${directoryTree}"
fi

jpgs=$(find . -maxdepth 1 -regextype posix-egrep -regex ".*\.(jpg|JPG|JPEG|jpeg)$")

if [ -n "$jpgs" ]; then
   echo "Zipping JPGs in ${directoryTree}"
   7z a -tzip -mx=0 "$directoryTree.zip" "*.jpg" -i!*.jpeg -i!*.JPG -i!*.JPEG
fi


SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"

find . -mindepth 1 -maxdepth 1 -type d -print0 | while IFS= read -r -d '' subd; do
    pushd "${subd}"
    "$SCRIPT_DIR/zip_images_recursive.sh" "${directoryTree}"
    popd
done