Exercise: Playing a Little Game
This hour has really been full of Catch-22's: familiar operators behaving differently depending on context, a handful of new operators and functions, and quite a few new rules to remember about syntax. To keep you from developing any hang-ups, I've added this exercise, which puts your knowledge of arrays and lists to good use—a game.
Using your text editor, type the program from Listing 4.1 and save it as Hangman. As always, don't type the line numbers or their following colons (“1:”, etc.) Be sure to make the program executable according to the instructions you learned in Hour 1, “Introduction to the Perl Language.”
When you're done, try running the program by typing the following at a command line: