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					Perl Programming Classes

Course Outline


Programming in Perl - Beginning Class (3-days)

Basic Programming Fundamentals
 Computer Memory
 What are variables?
 Control Structures
 Making decisions
 Looping
 Scope in the namespace
 Structured Programming Concepts

Introduction to Perl
 Whirlwind Tour of Perl
 How to make a Perl program

Scalar Data Types
 What is scalar data?
 Numbers
 Strings
 Perl's Built-in Warnings
 Scalar variables
 Output with print
 The if control statement
 Getting user input
 The chomp operator
 The while control structure
 The undef value
 The defined function

Lists and Arrays
 What is an array?
 Accessing elements of an array
 Special array indices
 List literals
 List assignment
 Interpolating arrays into strings
 The foreach control structure
 Perl's default $_
 Scalar and List content
 <STDIN> in List context

Subroutines
 System and User functions
 Defining a subroutine
 Invoking a subroutine
   Return values
   Arguments
   Private variables
   The local operator
   Variable-length parameter lists
   The my operator
   The use strict pragma
   The return operator

Hashes
 What is a hash?
 Hash element access
 Hash functions
 Typical use of a hash
 More on the foreach Control structure

I/O Basic
 Input from Standard Input
 Input from the Diamond operator
 The invocation arguments
 Output to Standard Output
 Formatted output with printf


Programming in Perl - Intermediate Class (5-days)

Concepts of Regular Expressions
 What are Regular Expressions
 Using simple patterns
 A pattern test program

More About Regular Expressions
 Character classes
 General Quantifiers
 Anchors
 Memory Parentheses
 Precedence

Using Regular Expressions
 Matches with m//
 Option modifiers
 The Binding Operator =~
 Interpolating into patterns
 The match variables
 Substitution with s///
 The split operator
 The join operator

More Control Structures
 The unless control structure
 The until control structure
 Expression modifiers
 The Naked Block control structure
   The elsif clause
   Autoincrement and Autodecrement
   The for control structure
   Loop controls
   Logical operators

Filehandles and File Tests
 What is a filehandle?
 Opening a filehandle
 Fatal Errors with die
 Using filehandles
 Reopening a Standard filehandle
 File tests

Directory Operations
 Moving around the directory tree
 Globbing
 An alternate syntax for Globbing
 Directory handles
 Recursive Directory Listing

Manipulating Files and Directories
 Removing files
 Renaming files
 Links and files
 Making and removing directories
 Modifying file permissions
 Changing ownership
 Changing Timestamps
 Using simple Modules

Process Management
 The system function
 The exec function
 The ENVironment variables
 Using Backquotes to capture output
 Processes as filehandles
 Down and dirty with fork
 Sending and receiving signals

Strings and Sorting
 Finding a substring with index
 Manipulating a substring with substr
 Formatting data with sprintf
 Advanced sorting

Simple Databases
 DBM Files and DBM Hashes
 Manipulating data with pack and unpack
 Fixed-length Random-access databases
 Variable-length Databases

Advanced Perl Techniques
   Trapping errors with eval
   Picking items from a list with grep
   Transforming items from a list with map
   Unquoted hash keys
   More powerful Regular Expressions
   Slices

				
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posted:12/4/2011
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