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Perl Programming

  • Price £1,095.00
  • Duration 3 day(s)
All major credit cards accepted

Description

This course is designed to give delegates the knowledge to develop/maintain Perl scripts.

Prerequisites

Experience of programming in another programming language is required.

Skills

Declare variables and initialise them
Understand scalar and list context
Construct expressions with arithmetic, logical and relational operators
Use iterative type statements
Use conditional statements
Read/write text and binary files
Manipulate text using regular expression
Use and code subroutines
Use built-in library functions
Use arrays and hashes
Declare and use packages

Course Content

DAY 1

Course Introduction
Administration and Course Materials
Course Structure and Agenda
Delegate and Trainer Introductions

Session 1: INTRODUCTION AND BASIC SYNTAX
What is PERL and why PERL is useful
How to run PERL programs on UNIX and Windows platform
A simple PERL Program
Labs

Session 2: OPERATORS AND CONTROL FLOW
Scalar variables - usage
Basic arithmetic operators & how they work with scalar operands
What an expression is
How to use the if statement and the == operator
Two-way and multi-way branching using else and elsif
Simple loops using while and until statements
Labs

Session 3: SCALAR CONTEXT AND SCALAR VALUES
Scalar values and scalar context
Integer and floating point representation
Octal and Hexadecimal notations
Character strings, single and double quote representation
Escape sequences
Interchangeability of character and numeric values
Labs

Session 4: MORE OPERATORS
More arithmetic operators, **, % and - (unary)
Integer and string comparison operators
Logical operators
Bit manipulation operators
Compound assignment operators
Autoincrement and autodecrement operators
Concatenation and repetition operators
Conditional and comma operators
Labs

Session 5: LIST CONTEXT & ARRAY VARIABLES
What lists are
Relationship between scalars and lists
Storing lists in array variables
Accessing elements of arrays and lists
Range operator
Array assignment in scalar and list context
Library functions used with lists
Labs


DAY 2

Session 6: LIST CONTEXT & ARRAY VARIABLES
What lists are
Relationship between scalars and lists
Storing lists in array variables
Accessing elements of arrays and lists
Range operator
Array assignment in scalar and list context
Library functions used with lists
Labs

Session 7: PATTERN MATCHING
How pattern matching works
Pattern matching operators
Pattern matching special characters
Labs part I
Pattern matching options
Pattern substitution
Pattern tagging
Translation
Labs

Session 8: SUBROUTINES
What is a subroutine
How to define and invoke subroutines
Argument passing and return values from a subroutine
Typeglob for argument passing
Local and global variables in subroutines
How to nest subroutines
How to use recursive subroutines
Special system subroutines - AUTOLOAD, BEGIN and END
Labs

Session 9: ASSOCIATIVE ARRAYS
What an associative array is
How to define and use associative arrays
Initialising and extending hashes
Assigning and copying hashes
How to delete elements of an associative array
How to loop using associative arrays
Library function used with associative arrays
How to build advanced data structures using associative arrays
Labs

Session 10: MULTI THREADING
What is Multithreading
How to check the perl interpreter for multi thread capability
Create a simple Multi Thread program
More complex example of multi threading
Problems with multi thread programs
Labs


DAY 3

Session 11: MISCELLANEOUS SYSTEM & DATA MANIPULATING FUNCTIONS
Handling Errors - die, warn, eval
Handling exceptions - throw, catch
Handling signals - %SIG hash, kill, alarm, sleep
Directory manipulation functions
File attribute functions
Labs

Session 12: ARRAYS & HASHES
Multi-dimensional arrays
Hashes containing arrays
Hashes of hashes
Labs

Session 13: MODULES & PACKAGES
Namespaces
Scope resolution operator
Package declaration
Use and require
Data hiding and exporting
Finding libraries and modules - @INC and %INC
Setting the search path

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