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, .
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
Definition, calling, return values, arguments, local variables.
Arrays and hashes
Working with arrays, element access, push(), pop(), shift(), unshift(), as an array, associative arrays, hashes of arrays, hash references, arrays of hashes, hashes of hashes.
Files
Simple file handling, open, close, , <>, 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.
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