I'm not advocating that you should totally disregard's your employer's IT policies, but if your system at work has access to the internet and/or has a USB port that you can use, you can still get use Perl and "install" other modules.
Since the path in your example code was "C:\Temp", I'm assuming that you're on Windows. In that case, I'd recommend checking out Strawberry Perl. It comes with everything you need to install modules from CPAN. They also have a portable version, which doesn't actually install Perl onto your system. Instead, you need to run a batch file that they provide in order to use their portable version.
So if you really want to use other modules, I'd agree with Tux that there are ways to get that done.