Bash functions are essentially reusable wrappers around commands. You can use them to define complex command pipelines or to perform some detailed work and echo the result. They accept arguments and ...

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 ...

If you've been keeping track of my column, you'll know that we're building a Blackjack game as a shell script. Why? Because most shell scripts are far too boring to study without nodding off, so ...

When you first start writing scripts, modularity, reusability, and best practices may not be top of mind. As your scripts become more complex, however, creating reusable elements becomes essential. By ...

Are all of the default PowerShell cmdlets exactly the way you like them to be? Do they have all of the parameters you think should be standard and have no extras? Probably not. We all have our quirks ...

Here's how to make the jump from simple lines of code to something that's a lot more useful. After reading countless blogs online, purging through hundreds of pages of books, you feel comfortable ...

The next time you need to wait on a step in your script, don't just add a delay. Instead, use a Wait-Action function to wait just the right amount of time. A script is all about defining a set of ...

Unlock the full InfoQ experience by logging in! Stay updated with your favorite authors and topics, engage with content, and download exclusive resources. Vivek Yadav, an engineering manager from ...