Read & Write files in Python , Ruby and Perl

Requirements 1. Install Ruby, Python and Perl on my Linux server 2. Create a three web pages ([login to view URL], [login to view URL] and [login to view URL]) that have three elements: A. A Text box for the filename ("tbFilename") B. A Text area for the file contets ("taFileContents") C. A Submit button. * Looks are unimportant. 3. In reponse to a post from the web page [login to view URL], [login to view URL] and [login to view URL]: A file must be created matching the name entered ("tbFilename"), with the contents as entered in the text area ("taFileContents") - The file extension must be .rb for Ruby, .py for python, or .pl for perl - If a file already exists, then overwrite it. 4. The file created must be located in a folder acessible over the web. 5. Create another three web pages ([login to view URL], [login to view URL] and [login to view URL]) that have two elements A. A Text box for the filename ("tbFilename") B. A Submit button * Looks are unimportant. 6. In response to a post from the web page [login to view URL] , [login to view URL] or [login to view URL]: If a file exists matching the name entered ("tbFilename"), then return the contents of the file. Proofing 1. I need a program written in Python, Ruby & Perl that says "Hello World" 10 times. 2. I need a program written in Python, Ruby & Perl that demonstrates that files cannot be written, read or deleted outside of the web root. Note: I can provide a working example of the above system in either .NET or PHP, if this helps.