#!/bin/bash

  if [ $# != 1 ] ; then
      echo "Usage: sh $0 /path/to/sort/dir"
      exit 1;
  fi

  WORK_DIR=$1

  # sort all xml files by subdirs, named by date of file
  find -- $WORK_DIR -maxdepth 1 -type f -name "*.xml"|
      {
          while read filename
          do

              file_date=`date -r "$filename" "+%Y-%m-%d"`
              file_path=`dirname "$filename"`

              mkdir -p "$file_path/$file_date"
              mv "$filename" "$file_path/$file_date"
          done
      }

  # archive all dirs older 13 days (and remove after)
  find -- $WORK_DIR -maxdepth 1 -type d -mtime +13 \
      -exec tar -czf "{}.tar.gz" {} \; -exec rm -rf {} \;

  # delete tar archives older than a month
  find -- $WORK_DIR -maxdepth 1 -name "*.tar.gz" -mtime +30 -delete

  exit 0;