Cleanup Directory older than x days

cleanup-dir.sh

#!/bin/sh

# Usage:
# ./cleanup-dir.sh /path/to/directory olderThanXDays(default=7)

EXPIRATION=${2:-7}

if [ ! -d "$1" ]; then
  echo "'$1' is not a directory!"
  echo "Usage:"
  echo "$0 /path/to/directory"
  exit 1
fi

# echo $EXPIRATION

find "$1" -mindepth 1 -depth -type f -mtime +$EXPIRATION -exec rm -f {} \;
find "$1" -mindepth 1 -depth -type d -empty -delete