Main index

Introducing UNIX and Linux

Perl

Overview
Introduction
      Why yet another utility?
      Beginning Perl
      Invoking Perl
      Documentation on perl
      Perl Scripts
Variables
Input and output
      Files and redirection
      Pipes
      The DATA filehandle
Fields
Control structures
Predefined Perl
      Functions
      Modules
Regular expressions
      Single character translation
      String editing
Perl and the Kernel
Quality code
When do I use Perl?
Summary
Exercises

Documentation on perl

Extensive documentation is provided using the command perldoc. By default, this documentation is not available via the standard UNIX man command (although the manual pages can be be created if required). For an overview of how perldoc works, type

perldoc perldoc