perlfaq4 - Data Manipulation
This section of the FAQ answers questions related to manipulating numbers, dates, strings,
arrays, hashes, and miscellaneous data issues.
Copyright (c) 1997-2002 Tom Christiansen and Nathan Torkington. All rights reserved.
This documentation is free; you can redistribute it and/or modify it under the same terms as
Irrespective of its distribution, all code examples in this file are hereby placed into the
public domain. You are permitted and encouraged to use this code in your own programs for fun or
for profit as you see fit. A simple comment in the code giving credit would be courteous but is