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1. Introduction > 1.6. Exercises

Exercises

Normally, each chapter will end with some exercises, with the answers in Appendix A. But in this chapter, the answers were already provided.

If you can’t get these exercises to work on your machine, double-check your work and then consult your local expert. Remember that you may need to change each program a little, as described in the text.

  1. [7] Type in the “Hello, world” program and get it to work! (You may name it anything you wish, but a good name might be ex1-1, for simplicity, since it’s exercise 1 in Chapter 1.)

  2. [5] Type the command perldoc -u -f atan2 at a command prompt and note its output. If you can’t get that to work, then find out from a local administrator or the documentation for your version of Perl about how to invoke perldoc or its equivalent. (You’ll need this for the next exercise anyway.)


  

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