Download E-books Programming Perl: Unmatched power for text processing and scripting PDF

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By Tom Christiansen, brian d foy, Larry Wall, Jon Orwant

Adopted because the undisputed Perl bible quickly after the 1st version seemed in 1991, Programming Perl remains to be the go-to advisor for this hugely functional language. Perl begun lifestyles as a super-fueled textual content processing application, yet speedy developed right into a common function programming language that’s helped millions of programmers, method directors, and lovers, such as you, get your activity done.

In this much-anticipated replace to "the Camel," 3 popular Perl authors conceal the language as much as its present model, Perl 5.14, with a preview of positive factors within the upcoming 5.16. In a global the place Unicode is more and more crucial for textual content processing, Perl deals the simplest and least painful help of any significant language, easily integrating Unicode everywhere—including in Perl’s most well-liked characteristic: usual expressions.

Important beneficial properties coated through this replace include:

  • New key terms and syntax
  • I/O layers and encodings
  • New backslash escapes
  • Unicode 6.0
  • Unicode grapheme clusters and properties
  • Named captures in regexes
  • Recursive and grammatical patterns
  • Expanded assurance of CPAN
  • Current top practices

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553 The lifestyles Cycle of a Perl application Compiling Your Code Executing Your Code Compiler Backends Code turbines The Bytecode Generator The C Code turbines Code improvement instruments Avant-Garde Compiler, unfashionable Interpreter 554 556 562 564 565 566 566 567 569 17. The Command-Line Interface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 575 Command Processing #! and Quoting on Non-Unix structures place of Perl 575 578 580 desk of Contents | xi Switches surroundings Variables 580 594 18. The Perl Debugger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 603 utilizing the Debugger Debugger instructions Stepping and operating Breakpoints Tracing reveal finding Code activities and Command Execution Miscellaneous instructions Debugger Customization Editor aid for Debugging Customizing with Init records Debugger ideas Unattended Execution Debugger help Writing your individual Debugger Profiling Perl Devel::DProf Devel::NYTProf 604 606 607 607 609 609 610 611 613 615 615 616 616 619 620 622 623 623 627 19. CPAN . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 629 background A travel of the Repository making a MiniCPAN The CPAN environment PAUSE looking out CPAN checking out computer virus monitoring fitting CPAN Modules by means of Hand CPAN consumers growing CPAN Distributions beginning Your Distribution checking out Your Modules xii | desk of Contents 629 630 632 633 633 635 635 635 636 637 638 640 640 642 Part IV. Perl as tradition 20. safety . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 647 dealing with Insecure facts Detecting and Laundering Tainted facts cleansing Up Your atmosphere having access to instructions and records below lowered Privileges Defeating Taint Checking dealing with Timing system defects Unix Kernel defense insects dealing with Race stipulations transitority records dealing with Insecure Code altering Root secure cubicles Code Masquerading As facts 648 651 656 657 660 661 662 663 665 668 669 670 675 21. universal Practices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 679 universal Goofs for rookies common error often neglected suggestion C Traps Shell Traps Python Traps Ruby Traps Java Traps potency Time potency area potency Programmer potency Maintainer potency Porter potency consumer potency Programming with sort Fluent Perl application iteration producing different Languages in Perl producing Perl in different Languages resource Filters 679 680 682 683 684 685 687 689 691 691 697 698 698 699 seven-hundred 701 705 715 716 717 718 desk of Contents | xiii 22. transportable Perl . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 721 Newlines Endianness and quantity Width records and Filesystems process interplay Interprocess communique (IPC) exterior Subroutines (XS) usual Modules Dates and occasions Internationalization variety 723 724 725 727 727 728 728 729 729 730 23. simple outdated Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 731 Pod in a Nutshell Verbatim Paragraphs Command Paragraphs Flowed textual content Pod Translators and Modules Writing your individual Pod instruments Pod Pitfalls Documenting Your Perl courses 731 733 733 737 740 742 747 748 24.

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