![]() ![]() ![]() It provides an inbuilt asynchronous JavaScript API to call other commands similar to Bash. The zx project implements a shell script executor similar to Bash but using JavaScript modules. Your shell scripts may also end up performing slowly due to the spawning of additional processes and interpretation. Your shell scripts may look complex when you add more logic to their script files. The reason is that expr is a command-line program that needs a separate process to run. For example, if you use the expr command for arithmetic operations, the Bash interpreter will always spawn another process. Most of the time, Bash starts separate processes to perform different sub-tasks. Programmers often use it with the help of Unix or Unix-like commands. Comparing Bash and zxīash is a single-pass interpreted command language initially developed by Brian Fox. In this article, I will explain zx and teach you how to use it in your projects. Therefore, you can use zx to write developer-friendly, Bash-like shell scripts. zx lets programmers write shell scripts with JavaScript by providing wrapper APIs for several crucial CLI-related Node.js packages. JavaScript, by comparison, has almost all the inbuilt features that developers need. zx introduced a way to write Bash-like scripts using JavaScript. This means programmers often have to call separate Python or Node scripts from Bash for such requirements. It doesn’t support OOP, structures like JSON, common data structures other than arrays, and built-in string or array manipulation methods. However, Bash is not a general purpose developer-friendly programming language. As a full-featured command language, Bash supports pipelines, variables, functions, control statements, and basic arithmetic operations. Programmers use shell scripts in many automation scenarios, such as for build processes, and CI/CD- or computer maintenance-related activities. We can also create and run Bash script files through what is known as shell scripting. For example, we can use Ubuntu’s terminal to run Bash commands. Shalitha Suranga Follow Programmer | Author of Neutralino.js | Technical Writer Writing JS-based Bash scripts with zxīash is a command language that typically comes as a command-line interpreter program where users can execute commands from their terminal software. ![]()
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