I realize this might throw a spanner into the editorial works here at Linux Journal, but after a two-month sidetrack on how to analyze letter usage in English to give you an edge in Hangman (yeah, I ...

#!/bin/bash clear echo "Hello world!" The first line tells the operating system what shell to use to interpret the script and the location of the shell. Double quotes do not prevent Bash from ...

Ok, I can't script my way out of a papper bag, so I need help with this.<P>I declare some variables at the prompt:<P>export catname=Fluffy<BR>export dogname=Spot<P>I ...

Once you’ve gained a solid understanding of Linux and mastered the various commands available, your next big win comes in the form of shell functions. Code wrapped in a function can be reused by your ...

The Linux set command allows you to change the value of shell options or to display the names and values of shell variables. Rarely used, it is a bash builtin, but is quite a bit more complicated than ...

Community driven content discussing all aspects of software development from DevOps to design patterns. If a developer wants to build a workflow, shell script or build job of any merit, they’ll need ...

You've heard of variables in PowerShell, right? How about reference variables? Maybe not. The reason is because a scripter can generally get by without them, but they do still have a purpose.

Last month, we took a strange turn and actually just focused on the basics of shell scripting, special variable notation, rather than solving some complex and obscure scripting challenge. I'm going to ...