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Beginning Perl Programming - William "Bo" Rothwell

Beginning Perl Programming

From Novice to Professional
Buch | Softcover
202 Seiten
2019 | 1st ed.
Apress (Verlag)
978-1-4842-5054-9 (ISBN)
CHF 82,35 inkl. MwSt
Get started with Perl 5 and learn the important core concepts of Perl programming, such as variables, flow control, expressions, and I/O. Additionally, this book covers pattern matching and shows that Perl is extremely flexible and powerful, and that it isn’t afraid of the cloud. After reading and using this book, you'll be able to start writing your own powerful scripts to solve many web and programming problems.  

This is a book for those of us who believed that we didn’t need to learn Perl, and now we know it is more ubiquitous than ever. You’ll see that Perl has evolved into a multipurpose, multiplatform language present absolutely everywhere: heavy-duty web applications, the cloud, systems administration, natural language processing, and financial engineering. This book provides valuable insight into Perl’s role regarding all of these tasks and more giving you a great start in your Perl programming adventure.




What You Will Learn






Perform operations on scalar values
Use scalar, array, and associative array variables
Work with flow control statements such as if, unless, while, until, for, and foreach
Read and write directly to files with file handles 
Use conditional expressions such as numeric and string comparison, regular expressions, file testing, and Perl statements
Format output with format statements 
Search for and replace sub-strings within a string using regular expressions
Master Perl utilities such as split, join, index and more
Control the file system and processes from within a Perl script
Build functions for tasks including handling the scope of variables
Import existing modules into your Perl script






Who This Book Is For

Those who are new to Perl.

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.

1: Introduction.- 2: Scalar Variables.- 3: Array Variables.- 4: Associative Array Variables.- 5: Flow Control.- 6: Conditional Expressions.- 7: Basic Input and Output.- 8: Advanced Input and Output.- 9: Pattern Matching.- 10: Perl Utilities.- 11: File System and Process Control.- 12: Functions.- 13: Using Modules.- 14: Debugging Perl.

Erscheinungsdatum
Zusatzinfo 75 Illustrations, black and white; XXI, 202 p. 75 illus.
Verlagsort Berkley
Sprache englisch
Maße 178 x 254 mm
Themenwelt Informatik Programmiersprachen / -werkzeuge Perl
Informatik Theorie / Studium Compilerbau
Mathematik / Informatik Informatik Web / Internet
Schlagworte Function • object • object-oriented programming • Perl • Perl 6 • Processing • programming • Regular Expressions • Scala • Scripting
ISBN-10 1-4842-5054-0 / 1484250540
ISBN-13 978-1-4842-5054-9 / 9781484250549
Zustand Neuware
Informationen gemäß Produktsicherheitsverordnung (GPSR)
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