Script Doctor While bash scripting is often maligned and not without reason, it is very flexible and powerful, as this example shows.

It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t pres… ...

Jack Wallen shows how you can create a Linux shell script that requires a password without having to save a password within the script.

Dungeons, Dragons and Dice—a script that lets you roll those 3d6 and 2d20 that a surprising number of games require. In my last article, I talked about a really simple shell script for a game called ...

It's not hard to create and run a shell script in Linux distros like Ubuntu, but there are a few non-obvious pitfalls you need to avoid. Here's a quick example of how to execute a script in Linux.

In the final script, of course, you won't echo the entered password, as that's not so good from a privacy and security perspective. To test for length, it's easy to use wc -c, but there's a special ...