Redirecting StdOut And StdErr

In case you would ever like to process standard output and standard error separately:


How to create presentations:

Perl Subroutine References

If you are planning to use dynamically added code in your program, you should not rely on eval because it is several times slower than adding a subroutine:

PDF Hyper References

The hyperref package will create proper bookmarks and hyper references in the document to jump to the desired place by a single click.

Multiple Inheritance in Perl

Ain’t no big deal, right?


Hyphenation automatically breaks a word across a line break in sensible places. In case this fails use the following commands.

Fancy Page Headers

Fancy headers allow you to customize the header and footer line.

Embedding Control Characters

The following example demonstrates how to use control characters to change characters on the current line:


The following commands provide a sane way from the LaTeX source document to a PDF document.

Check for Perl Module

Sometimes you’ll need to decide on a course of action depending on the presence of a certain module.