Perl - Considered Harmful

Hey gayz, guess what this does?

http://www.adobe.com/shockwave/download/download.cgi?P1_Prod_Version=../../../../../../../../..//etc/passwd%00

Lesson learned: path handling isn't something you want to do naïvely with string concatenation or interpolation features. Unless you're sure that the things you're concatenating together are single path components and not ".." or ".".