Böcker av Carl Albing

Shell scripts are everywhere, especially those written in bash-compatible syntax. But these scripts can be complex and obscure. Complexity is the enemy of security, but it's also the enemy of readability and understanding. With this practical book, you'll learn how to decipher old bash code and write new code that's as clear and readable as possible.Authors Carl Albing and JP Vossen show you how to use the power and flexibility of the shell to your advantage. You may know enough bash to get by, but this book will take your skills from manageable to magnificent. Whether you use Linux, Unix, Windows, or a Mac, you'll learn how to read and write scripts like an expert. Your future you will thank you.You'll explore the clear idioms to use and obscure ones to avoid, so that you can:Write useful, flexible, and readable bash code with styleDecode bash code such as ${MAKEMELC,,} and ${PATHNAME##*/}Save time and ensure consistency when automating tasksDiscover how bash idioms can make your code clean and concise

This cookbook provides more than 300 practical recipes for using bash, the popular Unix shell that enables you to harness and customize the power of any Unix or Linux system. Ideal for new and experienced users alike-including proficient Windows users and sysadmins-this updated second edition helps you solve a wide range of problems.