Looks for file changes in the current directory

watch-for-files.sh

#!/bin/bash

inotifywait -m $PWD -r -e create -e moved_to -e delete |
    while read path action file; do
        TITLE="Filesystem changed"
        MESSAGE="The file '$file' appeared in directory '$path' via '$action'"
        echo ${MESSAGE}
        notify-send "${TITLE}" "${MESSAGE}"
    done