This respected text is the most well organized, streamlined Perl tutorial and reference available. Using the author's proven methodology and sample programs, the text takes students from the basic concepts of Perl to sophisticated scripting. With practical insight into every aspect of Perl development—from names and operators to regular expressions, file handles, libraries, references and object-oriented Perl—Quigley shows how Perl can be a convenient substitute for utilities and how it can serve the specific needs of system administrators.