Perl training course description

A hands on introduction to programming in Perl.

What will you learn

• Write Perl programs.
• Use Perl modules.
• Debug Perl programs.
• Examine existing code and determine its function.

Perl training course details

Perl training course contents

• Introduction to Perl

What is Perl? When to use Perl, downloading Perl, installing Perl, documentation, perldoc, running Perl, the Perl environment. Perl under UNIX, Perl under Windows. "Hello world".

• Variables

Scalars, data types, $_, strings and numbers, assignment, constants, strict, scope, STDIN.

• Operators

Number operators, string operators, precedence and associativity, converting numbers and strings, shortcut operators.

• Flow control

Blocks, if, else, elseif, unless, foreach, while, for do, until.

• Regular expressions

What are regular expressions? Pattern matching, Perl as a filter, file editing.

• Strings

Comparing strings, concatenating, substrings, chomp, chop, formatting, string manipulation.

• Subroutines

Comparing strings, concatenating, substrings, chomp, chop, formatting, string manipulation.

• Arrays and hashes

Working with arrays, element access, push(), pop(), shift(), unshift(), <STDIN> as an array, associative arrays, hashes of arrays, hash references, arrays of hashes, hashes of hashes.

• Files

Simple file handling, open, close, <FILEHANDLE>, <>, file tests, directory access, directory handles, database access, packing and packing binary data.

• I/O

STDIN, STDOUT and STDERR, Command line arguments,@ARGV.

• Perl debugging

The built in debugger, running the debugger, debugger commands, graphical debuggers. Script syntax errors, single stepping, breakpoints, watches.

• Packages and modules

CPAN, Finding modules, installing modules, using modules, scope.

• Report formatting

Formats, defining a format, invoking a format, field holders.

• Process management

System interaction, system(), exec(), signals. Security issues.

Learning path

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