# $1必须是绝对路径
crurl=$1
func_hdir(){
echo $crurl
  cd $crurl
  for aitem in `ls -l | grep "^d" | awk ‘{print $9}‘`; do
        crurl=$crurl/$aitem
        func_hdir $aitem
  done

  dirc=`ls $crurl`
  if [ "$dirc" = "" ]
  then
    echo $crurl
    rm -rf $crurl
  fi
  crurl=${crurl%/*}
}

func_hdir