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Learning Perl, 5th Edition
book

Learning Perl, 5th Edition

by Randal L. Schwartz, Tom Phoenix, brian d foy
June 2008
Beginner content levelBeginner
352 pages
11h 16m
English
O'Reilly Media, Inc.
Content preview from Learning Perl, 5th Edition

How Do I Make a Perl Program?

It’s about time you asked (even if you didn’t). Perl programs are text files; you can create and edit them with your favorite text editor. (You don’t need any special development environment, although there are some commercial ones available from various vendors. We’ve never used any of these enough to recommend them.)

You should generally use a programmers’ text editor, rather than an ordinary editor. What’s the difference? Well, a programmers’ text editor will let you do things that programmers need, like indenting or unindenting a block of code, or finding the matching closing curly brace for a given opening curly brace. On Unix systems, the two most popular programmers’ editors are emacs and vi (and their variants and clones). BBEdit and TextMate are good editors for Mac OS X, and a lot of people have said nice things about UltraEdit and PFE (Programmer’s Favorite Editor) on Windows. The perlfaq2 manpage lists several other editors, too. Ask your local expert about text editors on your system.

For the simple programs you’ll write for the exercises in this book, none of which should be more than about 20 or 30 lines of code, any text editor will be fine.

Some beginners try to use a word processor instead of a text editor. We recommend against this—it’s inconvenient at best and impossible at worst. But we won’t try to stop you. Be sure to tell the word processor to save your file as “text only”; the word processor’s own format will almost certainly be ...

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Publisher Resources

ISBN: 9780596520106Supplemental ContentErrata Page