Course Content
Overview of Perl
- What is Perl?
- Perl Interpreter
- Installing PERL
- Running Perl Programs
Perl Variables
- Three Types of Variables
- Scalar, Array, Hash
- Variable Names and Syntax
- Scalar data functions -length, chomp, chop, index, rindex, substr, reverse, lc, lcfirst, uc, ucfirst, hex, ord, chr, abs, int, oct, sqrt
- Variable Naming conventions
Operators
- Perl operators
- Operators Precedence and associativity
- String Concatenation and Repetition Operators
- Comparison Operators
- Assignment Operator Notations
- Shift Operators
- The Range Operator
- Quotation Operators
- The Repetition Operator
Flow Control
- Simple Statements
- Compound Statements
- The next, last Statements
- if/if-else, if-elsif-else, while, unless, until loops
- The for Loop
- The foreach Loop
Arrays
- Lists
- Scalar and List Contexts
- Arrays
- Special variable - @ARGV
- Array Functions - push,pop,shift,unshift,splice
- Array Slices
- List Functions - grep,map,reverse,sort,join
Hashes
- Associative arrays
- Hash functions
- keys, values, each, exists, delete
- special variable - %ENV
I/O: Input Operations and File I/O Filehandles
- The open Function
- The Input Operator <> , stdin, stdout
- Default Input Operator
- The print Function
- File Operation Functions
- Reading Directories
- File Test Operators
- Directory-Manipulation Functions
Subroutines
- Overview of Subroutines
- Passing Arguments
- Local Variables
- Passing Names
- Returning Values
References
- References
- Creating References
- Using References
- Passing References as Arguments to Subroutines
- Anonymous Data - Array, Hash
- Two-dimensional Arrays in Perl
Packages
- Define Packages, Modules
- import package keywords-use, require
- Package Variables , @INC
Regular Expressions
- Pattern Matching Overview ,m// Operator
- The Substitution Operator , s/// Operator
- Regular Expressions
- Special Characters
- Quantifiers (*, +, ?, {})
- Assertions (^, $, \b, \B)
- RE Special Variables
- Matching any character
- Matching a Specified Number of Occurrences
- Substituting with an Expression
- Split and grep functions
Database connectivity using DBI
- Overview of DBI programming
- Using DBI module
- Executing DDL, DML queries etc.
Testing/QA Automation
- Use of Test::Simple
- Use Test::More
- Use Test::Harness
- use of Test::Builder
Debugging
- Overview of debugging
