Perl is a versatile, high-level language that’s both interpreted and dynamic. It embraces both procedural and object-oriented programming paradigms.

Its syntax shares much in common with C, making it approachable for those familiar with C or C++. This syntactic familiarity with other popular languages makes Perl straightforward to pick up and program in. You can write Perl programs using any common text editor, such as Notepad++ or gedit.

Recent Articles on Perl!

Basics, Fundamentals, Input and Output, Control Flow, Datatypes, Strings, Object Oriented Programming in Perl, Subroutines, Regular Expressions, File Handling, Context Sensitivity, CGI Programming, MMiscC

Complete Perl Programming Guide

1. Basics

• Introduction to Perl
• Installation and Environment Setup
• Syntax of a Perl Program
• Hello World Program in Perl
• Perl vs C/C++
• Perl vs Java
• Perl vs Python

2. Fundamentals

• Modes of Writing a Perl Code
• Boolean Values
• Operators | Set – 1, Set – 2
• Variables
• Variables and its Types
• Scope of Variables
• Modules in Perl
• Packages in Perl
• Number and its Types
• Directories with CRUD operations

3. Input and Output

• Use of print() and say() in Perl
• Perl | print operator
• Use of STDIN for Input

4. Control Flow

• Decision Making
• Loops
• Perl given-when Statement
• Perl goto operator
• Next operator
• Redo operator
• Last in loop

5. Datatypes

• Data Types
• Arrays and Lists:
  • Arrays
  • Array Slices
  • Getting the Number of Elements of an Array
  • Reverse an array
  • Sorting of Arrays
  • Useful Array functions
  • Arrays (push, pop, shift, unshift)
  • Implementing a Stack
  • List and its Types
  • List Functions
• Hash:
  • Introduction to Hash
  • Working of a Hash
  • Hash Operations
  • Sorting a Hash
  • Multidimensional Hashes
  • Hash in Scalar and List Context
  • Useful Hash functions
• Scalars:
  • Scalars
  • Comparing Scalars
  • scalar keyword

6. Strings

• Quoted, Interpolated and Escaped Strings
• Multi-line Strings | Here Document
• Sorting mixed Strings in Perl
• String Operators
• Useful String Operators
• String functions (length, lc, uc, index, rindex)
• Useful String functions
• Automatic String to Number Conversion or Casting
• Count the frequency of words in text
• Removing leading and trailing white spaces (trim)

7. Object Oriented Programming in Perl

• Introduction to OOPs
• Classes
• Objects
• Methods
• Constructors and Destructors
• Method Overriding
• Inheritance
• Polymorphism
• Encapsulation

8. Subroutines

• Subroutines or Functions | Set – 1, Set – 2
• Function Signature in Perl
• Passing Complex Parameters to a Subroutine
• Mutable and Immutable parameters
• Multiple Subroutines
• Use of return() Function
• References
• Pass By Reference
• Recursion in Perl

9. Regular Expressions

• Regular Expressions
• Operators in Regular Expression
• Regex Character Classes
• Special Character Classes in Regular Expressions
• Quantifiers in Regular Expression
• Backtracking in Regular Expression
• ‘e’ modifier in Regex
• ‘ee’ Modifier in Regex
• Pos() function in Regex
• Regex Cheat Sheet
• Searching in a File using regex

10. File Handling

• File Handling Introduction
• Opening and Reading a File
• Writing to a File
• Appending to a File
• Reading a CSV File
• File Test Operators
• File Locking
• Use of Slurp Module
• Useful File-handling functions

11. Context Sensitivity

• Scalar Context Sensitivity
• List Context Sensitivity
• STDIN in Scalar and List Context

12. CGI Programming

• CGI Programming
• File Upload in CGI
• GET vs POST in CGI

13. Miscellaneous

• Breakpoints of a Debugger
• Exiting from a Script
• Creating Excel Files
• Reading Excel Files
• Number Guessing Game using Perl
• Database management using DBI
• Accessing a Directory using File Globbing
• Use of Hash bang or Shebang line
• Useful Math functions

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