Mastering Linux Shell Scripting: a practical guide to Linux command-line, Bash scripting, and Shell programming

Shell scripting is a quick method to prototype a complex application or a problem by automating tasks when working on Linux-based systems. This book will make use of both simple one-line commands and command sequences and complex problems can be solved with ease, from text processing to backing up sysadmin tools.;Cover; Copyright and Credits; Packt Upsell; Contributors; Table of Contents; Preface; Chapter 1: The What and Why of Scripting with Bash; Technical requirements; Types of Linux shells; What is bash scripting?; The bash command hierarchy; Command type; Command PATH; Preparing text editors for scripting; Configuring vim; Configuring nano; Configuring gedit; Creating and executing scripts; Hello World!; Executing the script; Checking the exit status; Ensuring a unique name; Hello Dolly!; Running the script with arguments; The importance of correct quotes; Printing the script name.