Unicode issues regarding the Window OS file system and their handling from Perl

Just released an article on  i-programmer called
Unicode issues regarding the Window OS file system and their handling from Perl

Intro : "
Unicode is supposed to make character handling easy, but living with a legacy system that uses multibyte encoding makes things complicated. This article looks at  the real world of Perl Unicode integration and exposes a set of problems that also occurs in other languages and systems. "