Hi there,<br><br>I have seeing some shell script examples that use (use, not declare!) variables like this:<br><br><pre class="ip-ubbcode-code-pre">${VAR_1}</pre> <br ...

Check if a file is really a file, whether a string contains anything, and whether you can run a program with these vital patterns.

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 ...

It is no secret that we often use and abuse bash to write things that ought to be in a different language. But bash does have its attractions. In the modern world, it is practically everywhere. It can ...

There I was, trying to come up with a topic for this column, when I did what I usually do when stumped: I sent a question out to my Twitter followers. This time, I got a great answer, from John ...