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 ...

The last of the basic building blocks of shell scripting are conditional statements, allowing you to decide programmatically whether to execute a block of statements based on a logical test, and flow ...

One of the delights in Bash, zsh, or whichever shell tickles your fancy in your OSS distribution of choice, is the ease of which you can use scripts. These can be shell scripts, or use the Perl, ...

I recently switched to Mac OS X as my primary desktop operating system after spending over a decade on Linux. Although Apple's operating system supplies practically all of the command line tools I ...

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 presume to tell you that ...