Impatient Perl by Greg London is a concise and practical guide to learning the Perl programming language. The book is perfect for programmers who want to quickly get up to speed with Perl and start writing useful scripts and applications.

The book begins by introducing readers to the basics of Perl programming, explaining the syntax and structure of the language. The author then moves on to cover more advanced topics, such as regular expressions, file input/output, and object-oriented programming.

One of the unique features of this book is its focus on practical examples. The author provides numerous examples and code snippets throughout the book, allowing readers to practice and apply what they have learned. The examples are clear and concise, making it easy for readers to understand and follow along.

Another great aspect of this book is its accessibility. The author uses simple, easy-to-understand language and explains complex concepts in a way that is easy to follow. This makes the book ideal for beginners who are just starting to learn Perl, as well as more experienced programmers who want to refresh their knowledge.

The book also covers important topics such as performance optimization and debugging. The author provides advice on how to write Perl code that is optimized for speed and efficiency, as well as how to use debugging tools to find and fix errors in your code.

Overall, Impatient Perl is an excellent resource for anyone interested in learning the Perl programming language. The book is well-written, easy to read, and provides a wealth of information and practical advice for anyone looking to implement Perl solutions. Whether you’re a software developer, a system administrator, or a hobbyist, this book is a must-read for anyone interested in learning more about Perl.