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Effective Perl programming : writing better programms with Perl

Author: Joseph N Hall; Randal L Schwartz
Publisher: Boston ; Munich[u.a.] : Addison-Wesley, 2005.
Edition/Format:   Print book : English : 6. printView all editions and formats
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Written by Perl experts, this book provides programming solutions, techniques, pointers, rules of thumb, and the pitfalls to avoid. Geared for programmers who have already acquired Perl basics, it  Read more...

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Document Type: Book
All Authors / Contributors: Joseph N Hall; Randal L Schwartz
ISBN: 0201419750 9780201419757
OCLC Number: 315946548
Description: XIV, 273 S. : graph. Darst
Contents: Foreword. Preface. Acknowledgements. Introduction. Basics. Item 1: Know your namespaces.Item 2: Avoid using a slice when you want an element.Item 3: Don't assign undef when you want an empty list.Item 4: String and numeric comparisons are different.Item 5: Remember that 0 and "" are false.Item 6: Understand conversions between strings and numbers.Idiomatic Perl. Item 7: Use $_ for elegance.Item 8: Know the other default arguments: @_, @ARGV, STDIN.Item 9: Know common shorthands and syntax quirks.Item 10: Avoid excessive punctuation.Item 11: Consider different ways of reading from a stream.Item 12: Use foreach, map and grep as appropriate.Item 13: Don't misquote.Item 14: Learn the myriad ways of sorting.Regular Expressions. Item 15: Know the precedence of regular expression operators.Item 16: Use regular expression memory.Item 17: Avoid greed when parsimony is best.Item 18: Remember that whitespace is not a word boundary.Item 19: Use split for clarity, unpack for efficiency.Item 20: Avoid using regular expressions for simple string operations.Item 21: Make regular expressions readable.Item 22: Make regular expressions efficient.Subroutines. Item 23: Understand the difference between my and local.Item 24: Avoid using @_ directly - unless you have to.Item 25: Use wantarray to write subroutines returning lists.Item 26: Pass references instead of copies.Item 27: Use hashes to pass named parameters.Item 28: Use prototypes to get special argument parsing.Item 29: Use subroutines to create other subroutines.References. Item 30: Understand references and reference syntax.Item 31: Create lists of lists with references.Item 32: Don't confuse anonymous arrays with list literals.Item 33: Build C-style structs with anonymous hashes.Item 34: Be careful with circular data structures.Item 35: Use map and grep to manipulate complex data structures.Debugging. Item 36: Enable static and/or run-time checks.Item 37: Use debugging and profiling modules.Item 38: Learn to use a debugging version of Perl.Item 39: Test things by using the debugger as a Perl shell.Item 40: Don't debug too much at once.Using Packages and Modules. Item 41: Don't reinvent the wheel - use Perl modules.Item 42: Understand packages and modules.Item 43: Make sure Perl can find the modules you are using.Item 44: Use perldoc to extract documentation for installed modules.Writing Packages and Modules. Item 45: Use h2xs to generate module boilerplate.Item 46: Embed your documentation with POD.Item 47: Use XS for low-level interfaces and/or speed.Item 48: Submit your useful modules to the CPAN.Object-Oriented Programming. Item 49: Consider using Perl's object-oriented programming features.Item 50: Understand method inheritance in Perl.Item 51: Inherit data explicitly.Item 52: Create invisible interfaces with tied variables.Miscellany. Item 53: Use pack and unpack for data munging.Item 54: Know how and when to use eval, require, and do.Item 55: Know when, and when not, to write networking code.Item 56: Don't forget the file test operators.Item 57: Access the symbol table with typeglobs.Item 58: Use @{[O]} or a tied hash to evaluate expressions inside strings.Item 59: Initialize with BEGIN; finish with END.Item 60: Some interesting Perl one-liners.Appendix A: sprintf. Appendix B: Perl Resources. Index. 0201419750T04062001
Responsibility: Joseph N. Hall with Randal L. Schwartz.

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