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LinkedIn Learning

Perl 5 Essential Training

via LinkedIn Learning

Overview

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Learn Perl 5. This course covers the basics of Perl scripting, using up-to-date "Modern Perl" standards.

Syllabus

Introduction
  • Welcome
  • Exercise files
1. Setting Up
  • Installing Komodo for Mac OS X
  • Installing Perl and Komodo for Windows
  • About Perl
2. Quick Start
  • About the quick start
  • Hello World
  • Counting lines in a file
  • Loops and conditionals
  • Functions
  • Using perldoc
3. Basic Syntax
  • Anatomy of a Perl script
  • Statements and expressions
  • Assignments
  • Whitespace and comments
  • Blocks and scope
4. Values and Variables
  • Understanding values and variables
  • Numeric variables
  • Character strings
  • Logical values
  • Lists and arrays
  • Slices of arrays
  • Hashes or associative arrays
  • Constants
5. Conditionals
  • The if statement
  • Else and elsif
  • Negative conditionals with unless
  • Switch with given and when
  • The ternary conditional operator
6. Loops
  • Understanding loops
  • Loops with while and until
  • Iterating with for
  • Iterating with foreach
  • Loop control statements
7. Special Variables
  • The default variable
  • Function arguments
  • The autoflush variable
  • The system error variable
  • Other special variables
8. Operators
  • About Perl's operators
  • Basic arithmetic operators
  • Compound assignment operators
  • Relational operators
  • Logical operators
  • File test operators
  • The range operator
  • The string concatenation operator
  • Quote operators
9. Regular Expressions
  • About regular expressions
  • Matching text
  • Common modifiers
  • Extracting matches
  • Getting a list of matches
  • Simple matches
  • Matching wildcards
  • Matching classes of characters
  • Matching metacharacters
  • Search and replace
  • Splitting strings
10. Functions
  • Understanding functions
  • Defining and calling functions
  • Calling a function with arguments
  • Locally scoped variables
  • Returning values
  • Static variables
  • Predeclared functions
11. References and Structures
  • Understanding values and references
  • Array references
  • Hash references
  • Function references
  • Finding the type of a reference
  • Mixed data structures
12. File I/O
  • Understanding streams and files
  • Using file handles
  • Using the OO interface for files
  • Working with binary files
13. Built-In Functions
  • The print() and say() functions
  • The die() function
  • String functions
  • Numeric functions
  • List and array functions
  • Time functions
  • The undef function
14. Modules
  • Leveraging code with modules
  • Perl's object model
  • An example module
  • Using Carp for error messages
15. Best Practices
  • Be consistent
  • Selective use of comments and whitespace
  • Use strict and warnings
  • Use constants
Conclusion
  • Next steps

Taught by

Bill Weinman

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