The printf command offers well-defined behavior following the POSIX standard, which means it works the same way across shells ...

A recent post about debugging constructs surprised me. There were quite a few comments about how you didn’t need a debugger, as long as you had printf. For that matter, we’ve all debugged systems ...

Imagine that you want to output multiple lines of text in Bash, or any shell script. Maybe it’s for a help string for a particularly convoluted shell script you’re writing. You could have a separate ...

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 ...

I realize I've been playing a bit fast and loose with my shell scripts over the last few months, because I haven't talked about how to ensure that error conditions ...

If you run into problems building, testing or running complex bash scripts, don’t lose heart. There are many ways you can help ensure that your scripts will work flawlessly. In this post, we’ll ...

Some of the most versatile commands you can run on the Linux command line are those that enable you to pass the output of one command to another by using something called a “pipe”. You can also set up ...