Move Here

#!/bin/bash
#Revision 0x1
shopt -s extglob

confirm() {
  read -p "$1 [Y/n] "
  [[ -z $REPLY || $REPLY = [Yy]?([Ee][Ss]) ]]
}

while IFS= read -rd '' f <&3; do
  new=./${f##*/} n=$new i=0
  while [[ -e $n ]]; do
    n=$new.$((++i))
  done
  if ((!i)) || confirm "file '$new' exists, mv to '$n'?"; then
    mv "$f" "$n"
  fi
done 3< <(find . -mindepth 2 -type f -print0)

if confirm 'delete dir structure?'; then
  find . -depth -type d -empty -delete
fi