that should work, but what if the file type you want to use doesn't have an application that will open it. for example, i write computer programs that get executed in the command line, so is there a program that can give a certain file type one icon?
I installed iLife04 on my iBook that doesn't have a dvd burning drive. I went to the custom install and selected iDvd, but when I try to open it, it says that it cannot find the right hardware on my computer for it to run.
I use perl to do my computer program, I am 14 years old and it took me about a month to learn, so it is very quick and easy to master the basics. There are also a lot of good resources to find answers to your questions about perl. Perlfunc.org is a good resource. Another way to build your skills...