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Présentation Pro Perl Programming de Rothwell, William "Bo Format Broché
- Livre Informatique

Livre Informatique - Rothwell, William "Bo - 01/02/2020 - Broché - Langue : Anglais

Auteur(s) : Rothwell, William "Bo

Editeur : Apress L.P.

Langue : Anglais

Parution : 01/02/2020

Format : Moyen, de 350g à 1kg

Nombre de pages : 348

Expédition : 655

Dimensions : 25.4 x 17.8 x 1.9

ISBN : 9781484256046

Résumé :
Master intermediate to advanced techniques of the Perl programming language starting with a focus on regular expressions and some of their advanced features. This book then covers other pro-level features, including formatted output, file handling, and more. Additionally, you'll learn and explore the most useful built-in variables, pragmas, and modules available in the Perl language. Furthermore, you'll work with geometry managers and get a thorough treatment of graphical user interface development using Perl/TK and widgets. Lastly, you'll cover debugging techniques. Pro Perl Programming is a professional-level reference guide on Perl and includes important aspects of it that you need as a professional programmer. What You Will Learn Program regular expressions including atoms, smartmatch operators, and more Use advanced features such as HiRes Time, slurp() functions, Critic, Tidy and many more functions Handle advanced formatted output such as printf and sprintf Explore useful built-in variables, including status variables, separator variables, and the signal handle variable Explore and use Perl's built-in modules, including the Pragma modules Work with Perl/TK and its widgets-like geometry managers, frames, labels, buttons, check buttons, radio buttons, scrollbars, scales, entries, and menus Who This Book Is For Those with at least some prior experience with Perl programming or have read Beginning Perl Programming by William Rothwell....

Biographie:
At the impressionable age of 14, William Bo Rothwell crossed paths with a TRS-80 Micro Computer System (affectionately known as a Trash 80). Soon after the adults responsible for Bo made the mistake of leaving him alone with the TSR-80. He immediately dismantled it and held his first computer class, showing his friends what made this computer thing work. Since this experience, Bo's passion for understanding how computers work and sharing this knowledge with others has resulting in a rewarding career in IT training. His experience includes Linux, Unix, DevOps tools, and programming languages such as Perl, Python, Tcl, and BASH....

Sommaire:
Chapter One Intermediate Regular Expressions

1.1 Review: Basic Regular Expressions

1.2 Modifiers

1.3 Getting the Nth occurrence of a match

1.4 Greedy vs. Non-Greedy matches

1.5 Regular Expression variables

1.6 Special characters in regular expressions

1.7 Assertions

1.8 Reading from filehandles using split

1.9 Multiple line matching

1.10 Commenting Regular Expressions

1.11 Alternative Delimiters

1.12 Additional resources

1.13 Lab Exercises

Chapter Two Advanced Regular Expressions

2.1 Make use of the Smartmatch Operator

2.2 Understand Regular Expression precedence

2.3 Understand what is *NOT* a Regular Expression atom

2.4 Using Regular Expressions in List Context

2.5 Match whitespace properly

2.6 Use \G

2.7 Use the \A, \Z and \z assertions

2.8 Avoid capturing

2.9 Avoid the variables dollars`, dollars& and dollars'

2.10 Compile your Regular Expressions before using them

2.11 Benchmark your patterns

2.12 Use Regexp::Common

2.13 Flags you should consider always using

2.14 Avoid escapes

2.15 Use the re Pragma

2.16 Understand backtracking

Chapter Three Advanced Features

3.1 Use my iterator variables with for loops

3.2 Utilize loop labels

3.3 Avoid using for file matching

3.4 Time::HiRes

3.5 Contextual::Return

3.6 Indirect Filehandles

3.7 The three argument technique to the open statement

3.8 Always check the return values of open, close and when printing to a file

3.9 Close filehandles as soon as possible

3.10 Avoid slurping

3.11 Creatively use the do statement

3.12 Use the slurp() function

3.13 Test for interactivity

3.14 Use IO::Prompt

3.15 Understand where to find documentation

3.16 Understand context

> operator

3.18 Understand subroutine calls

3.19 Understand and/or versus &/

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Pro Perl Programming - Rothwell, William "Bo

Avis sur Pro Perl Programming de Rothwell, William "Bo Format Broché - Livre Informatique

Présentation Pro Perl Programming de Rothwell, William "Bo Format Broché - Livre Informatique

Présentation Pro Perl Programming de Rothwell, William "Bo Format Broché
- Livre Informatique