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How would I go about writing a 'Mad Libs' type program using Ruby?

Any examples would be greatly appreciated.

Thanks!

How would I combine commands in a pipeline to produce an alphabetized list of who's online at a particular moment?

Then:

How would I take that pipeline and turn it into a command called...

If "photopia.dat" is a game. To play it, you would normally type "frotz photopia.dat" (assuming you are in the directory where photopia.dat resides).

But what if I'm in my home directory,...

If "photopia.dat" is a game. To play it, you would normally type "frotz photopia.dat" (assuming you are in the directory where photopia.dat resides).

But what if you are in your home directory,...