Learining_perl 6th

perl学习文字版。 1. Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Questions and Answers 1 Is This the Right Book for You? 1 Why Are There So Many Footnotes? 2 What About the Exercises and Their Answers? 3 What Do Those Numbers Mean at the Start of the Exercise? 4 What If I’m a Perl Course Instructor? 4 What Does “Perl” Stand For? 4 Why Did Larry Create Perl? 5 Why Didn’t Larry Just Use Some Other Language? 5 Is Perl Easy or Hard? 6 How Did Perl Get to Be So Popular? 7 What’s Happening with Perl Now? 7 What’s Perl Really Good For? 8 What Is Perl Not Good For? 8 How Can I Get Perl? 9 What Is CPAN? 10 How Can I Get Support for Perl? 10 Are There Any Other Kinds of Support? 10 What If I Find a Bug in Perl? 12 How Do I Make a Perl Program? 12 A Simple Program 13 What’s Inside That Program? 15 How Do I Compile My Perl Program? 16 A Whirlwind Tour of Perl 17 Exercises 18