Linux, known for its robustness and flexibility, has been a favorite among developers, system administrators, and technology enthusiasts. One of the pillars of Linux's capabilities is its inherent ...
The printf command offers well-defined behavior following the POSIX standard, which means it works the same way across shells ...
The first software that I was actually paid to develop was a 2-page shell script that prompted the user for a dozen or so pieces of information, before launching a set of cooperating processes. Those ...
Community driven content discussing all aspects of software development from DevOps to design patterns. It’s pretty easy to run a batch file on Windows. Just create a file, change the extension to ...
It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t presume to tell you that ...
If you are building a robot, sensor platform, weather station then you don’t want the code to stop running when you disconnect from the terminal, and nohup is just the thing for you.In this how-to, we ...
The Linux expect command takes script writing to an entirely new level. Instead of automating processes, it automates running and responding to other scripts. In other words, you can write a script ...
This post follows up on Part 1 by examining the many ways that you can test the value of variables – e.g., whether they equal particular strings like “yes” or “no”, if they have a numeric value, if ...
You normally think of a critical section — that is, a piece of a program that excludes other programs from using a resource — as a pretty advanced technique. You certainly don’t often think of them as ...
Jack Wallen shows how you can create a Linux shell script that requires a password without having to save a password within the script. Image: dennizn/Adobe Stock ...