bash script for clearing old files from a folder

image-folder-cleanup.sh

#!/bin/sh
# for only the given folder, remove files older than 1 day excluding the .DS_Store and the files whose name starts with '_keep'
/usr/bin/find /Users/msearcy/Dropbox/images/Wallpapers ! -name '.DS_Store' ! -name 'keep_*' -mtime +1 -maxdepth 1 -type f -exec rm -f {} \;

# for the given folder check for a specific md5 hash (image placeholder from ifttt) and delete any file that matches
/usr/bin/find /Users/msearcy/Dropbox/images/Wallpapers -type f -exec md5 -r {} + | grep '3993028fcea692328e097de50b26f540' | xargs rm -f

# storing this file in ~/Library/Scripts
# test echo time ran: $(date '+%Y-%m-%dT%H:%M:%S%z') >> /Users/msearcy/Dropbox/images/Wallpapers/run.log
# old script with non-working image search pattern: /find /Users/msearcy/Dropbox/images/Wallpapers -mtime +1 -type f -mindepth 1 -maxdepth 1 -exec file {} \; | awk -F: '{ if ($2 ~/[Ii]mage|EPS/) print $1}' | xargs -0 rm
#
# cd /Users/msearcy/Dropbox/images/Wallpapers/Portrait & ls -tp | grep -v '/$' | tail -n +26 | tr '\n' '\0' | xargs -0 rm --