By Clinton Pierce
ISBN-10: 0672327937
ISBN-13: 9780672327933
Learn Perl programming quick and simply with 24 one-hour classes in Sams train your self Perl in 24 Hours . The book's step by step classes train you the fundamentals of Perl and the way to use it in net improvement and approach management. Plus, the 3rd version has been up to date to incorporate 5 chapters on new applied sciences, details at the most recent model of Perl, and a glance forward to Perl 6. Sams train your self Perl in 24 Hours specializes in real-world improvement, educating you the way to:
- Effectively use Perl for giant improvement tasks utilizing Perl modules
- Use Perl for facts processing
- Utilize Perl as a ''glue'' language with different programming languages
- Use Perl as an online improvement language
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Additional resources for Sams Teach Yourself Perl in 24 Hours
Sample text
Word processors—such as Microsoft Word, WordPad, WordPerfect, and so on—embed formatting codes by default when they save documents, even if the documents contain no boldface, italic, font changes, or other special formatting. These formatting codes will confuse Perl, and your programs will not work correctly. If you need to use a word processor, be sure to save your programs as plain text. \n"; The #! line should be the first line in the file. After you type this program into your text editor, save it in a file named hello.
When you typed the command perl hello, a program namedperl was started on your computer. This program is called the Perl interpreter. The Perl interpreter is the heart and soul of Perl. Its job is to take the file it has been given hello, ( in this case), find the program inside it, and run it. " When the Perl interpreter is all done reading your program from disk, it begins to run the program and continues running that program until it's all done. When it's finished with your program, the Perl interpreter exits and returns control to your operating system.
6234) Returns the integer portion of its argument (5). length length("nose") Returns the length of its string argument (4). lc lc("ME TOO") Returns its argument shifted to lowercase letters ("me too" ). uc uc("hal 9000") Returns its argument shifted to uppercase letters ("HAL 9000"). 964966). rand rand(5) Returns a random number from 0 to less than its argument. If the argument is omitted, a number between 0 and 1 is returned. 4. You can find the full list of named operators in the online manual.
Sams Teach Yourself Perl in 24 Hours by Clinton Pierce
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