What happens when you run a Linux command? This simple act can appear straightforward, but many different things can actually occur, depending on whether you’re running an executable program, a shell ...
The command-line interface (CLI) is the cornerstone of interacting with the Linux operating system. It allows users to enter commands directly, offering greater control and flexibility compared to ...
Last month, I explored exit codes and how decent error correction in your shell scripts always should include testing the value of $? after each meaningful command ...
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The 6 test patterns that real-world Bash scripts actually use
Check if a file is really a file, whether a string contains anything, and whether you can run a program with these vital patterns.
In Part 1 of this series, I showed you an example of PowerShell's native validation capabilities. In that installment, I wrote a function that accepted a text string as input. The function then used ...
The fish function option --argument-names is very useful in making readable scripts, however, in shells scripts it's often easy to accidentally split arguments. In unfortunate cases it can lead to ...
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