#!/usr/bin/env sh

set -e

find "$1" -type f | while read f; do
  tmp="$(echo "$f" | rev | cut -d/ -f-2 | rev)"
  new="$(echo "$tmp" | cut -d/ -f2)-$(echo "$tmp" | cut -d/ -f1)"
  mv "$f" "$1/$new"
  rmdir "$(dirname "$f")"
done