Watch folder for file manipulation

watch.sh

usage() {
  echo "Usage: ${0} folder" >&2
  echo "Watches file manipulations in a folder" >&2
  exit 1
}

if [[ "$#" -ne 1 ]] ; then
  usage
fi

dir=$1

inotifywait -m $dir -e open -e close_write -e close_nowrite -e create -e modify -e delete -e moved_to -e moved_from |
    while read dir action file; do
        formattedDate=$(date +"%Y-%m-%d %T")

        [[ $action =~ .*OPEN*. ]] && {
          echo "$formattedDate $file has been opened in $dir"
        }

        [[ $action =~ .*CLOSE_NOWRITE*. ]] && {
          echo "$formattedDate $file has been closed in $dir"
        }

        [[ $action =~ .*CLOSE_WRITE*. ]] && {
          echo "$formattedDate $file has been written to and closed in $dir"
        }

        [[ $action =~ .*CREATE*. ]] && {
          echo "$formattedDate $file has been created in $dir"
        }

        [[ $action =~ .*MODIFY*. ]] && {
          echo "$formattedDate $file has been modified in $dir"
        }

        [[ $action =~ .*DELETE*. ]] && {
          echo "$formattedDate $file has been deleted from $dir"
        }

        [[ $action =~ .*MOVED_TO*. ]] && {
          echo "$formattedDate $file has been moved in $dir"
        }

        [[ $action =~ .*MOVED_FROM*. ]] && {
          echo "$formattedDate $file has been moved out of $dir"
        }

    done