Perl Programming

Course review:

Running Perl programs

• Creating a Perl script
• Running Perl scripts
• Getting help with perldoc

Variable types and contexts

• Scalars, lists and hashes
• Strings and interpolated strings
• Special variables
• Context
• if/else/elseif
• do, while, until, for and foreach

Compound data structures

• References to named variables
• References to anonymous data
• Multidimensional arrays
• Multidimensional hashes

Managing files and user input

• Standard I/O streams
• File handles
• Command line arguments
• Reading and writing data files

Perl regular expressions

• Extracting important text information
• Perl regular expressions
• Altering data with substitutions
• Global and case-insensitive matches

Perl Operators

• Arithmetic expressions
• Replicating and growing strings
• SAssignment operators
• ile attributes
• Logical operators
• Ranges

Subroutines

• Defining and calling a subroutine
• Passing and receiving parameters
• Returning values to the caller

Perl Functions

• String functions for text manipulation
• List functions
• Sorting data
• Manipulating file system entries
• Reading binary files
• split and join
• Formatting tabular output

Object Orientation

• OO in Perl
• Methods, classes and constructors
• Obtaining third-party packages from CPAN
• How to use use
• Defining a schema to employ OO modules
• Calling methods with the -> syntax
• Passing initialisation parameters