#!/bin/bash
FULL_PATH=`readlink -f "$0"`
SCRIPT_DIR=`dirname  "$FULL_PATH"`


if [[ -z $1  || ! -d $1 ]] ; then
  echo "usage: duk <topdirectory>"
else
  cat "$SCRIPT_DIR"/headbit
  cd $1
  du | tac | awk -f $SCRIPT_DIR/duk.awk   
  cd - >/dev/null
  cat "$SCRIPT_DIR"/tailbit
fi