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Perl Programming on UNIX
Duration
5 Days
Course
WDWP-170
Available Formats
Classroom Training, Online Training
Course Description
Overview
Perl began as a text-processing language, an extension to the popular but limited awk language. Perl evolved into a general-purpose programming language popular with web developers, database developers, and many other types of programmers. Perl is very strong at processing large amounts of data, including manipulation, analysis, validation, conversion, formatting, and reporting. It offers complete libraries for database access, web development, graphics programming, and other environmental requirements. This five-day course teaches students the foundations of using Perl effectively in many application environments. In addition to teaching the basics, such as data types, operators, flow control, and subroutines, the course goes into great detail on using arrays and hashes for complex data manipulation, regular expressions for advanced text processing, and Perl's object-oriented features for modern OO programming practices. Students write many complete Perl programs in this course, which ensures that when they return to work they can become productive immediately.Objectives
Audience
Programmers and system administrators.
Prerequisites
-
Fundamentals of UNIX™. Experience in a high-level programming language, such as C, C++, or Java™, is strongly recommended.
Topics
- What is Perl?
- Running Perl Programs
- Sample Program
- Another Sample Program
- Yet Another Sample
- Labs
- Three Data Types
- Variable Names and Syntax
- Variable Naming
- Lists
- Scalar and Lists Context
- The repetition operator
- Labs
- Arrays
- Arrays Functions
- The Foreach Loop
- The @ARGV Array
- The grep function
- Array Slices
- Hashes
- Labs
- String Literals
- Interpolation
- Array Substitution and Join
- Backslashes and Single Quotes
- Quotation Operators
- Command Substitution
- Here Documents
- Labs
- Perl Operators
- Operators, functions and precedence
- File test operators
- Assignment operator notations
- The range operator
- Labs
- Simple Statements
- Compound Statements
- The for Loop
- The foreach Loop
- Labs
- The open function
- The input operator
- The print function
- Reading Directories
- Labs
- Pattern Matching Overview
- The substitution operator
- Regular expressions
- Special characters
- Quantifiers (*,+,?,{)
- Assertions
- Labs
- Substrings
- RE Special Variables
- RE Options
- Multi-line REs
- PerlRE Extensions
- Labs
- Passing Arguments
- Private variables
- Returning values
- Labs
- Creating References
- Using References
- Passing references as arguments to subroutines
- Anonymous Composers
- The Symbol Table
- Labs
- Two dimensional arrays in Perl
- Anonymous Arrays and Hashes
- Arrays of Arrays
- Arrays of References
- A Hash of Arrays
- A Hash of Hashes
- And so On
- Labs
- Packages
- BEGIN and END routines
- require vs use
- Modules
- The bless function
- Labs
- What is object-oriented?
- Classes, objects and methods in Perl
- Inheritance, the is-a relationship
- Containment, the has-a relationship
- Overloaded operators
- Destructors
- Labs
- Variable vs Fixed
- Handling Binary Data
- The pack function
- The unpack function
- The read function
- C Data Structures
- Labs
- UNIX multitasking concepts
- Process creation with fork
- Program loading with exec
- File descriptor inheritance
- How UNIX opens files
- One-way Data flow - Pipes
- Final Result
- Labs
- Clients and servers
- Ports and services
- Berkeley sockets
- Data structures of the sockets API
- A client/server example
- A little web server
- Labs
- Where can you get Perl?
- How do you build Perl?
- What gets created and installed?
- Differences between platforms
- Debugger commands
- Non-debugger commands
- Listing Lines
- Single stepping
- Setting and clearing breakpoints
- Modifying and Debugger
- The-w and - D Flags
- Labs
Related Courses
-
Beginning Perl
WDWP-130- Duration: 3 Days
- Delivery Format: Classroom Training, Online Training
- Price: 1,755.00 USD
-
Advanced Perl Programming
WDWP-160- Duration: 4 Days
- Delivery Format: Classroom Training, Online Training
- Price: 2,340.00 USD
Self-Paced Training Info
Learn at your own pace with anytime, anywhere training
- Same in-demand topics as instructor-led public and private classes.
- Standalone learning or supplemental reinforcement.
- e-Learning content varies by course and technology.
- View the Self-Paced version of this outline and what is included in the SPVC course.
- Learn more about e-Learning
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