#!/bin/bash

#pwd ; echo "from_path_for_rsync: $from_path_for_rsync" ; echo "to_path_for_rsync: $to_path_for_rsync" ; exit

[ -z "$from_path_for_rsync" ] && exit 1
[ -z "$to_path_for_rsync" ] && exit 2

rsync --archive --verbose --update --recursive --itemize-changes \
"$from_path_for_rsync" \
"$to_path_for_rsync"