These arrays employ numeric values — 1, 2, 3 and so on — as their indices. Since most scripting and programming languages start indexed arrays with element 0, we have done so in the examples ...

The Bourne shell--yes, even the old classic one--provides us with an awk-like construct that is useful in this situation: the case statement. Combining a while loop and a case test can provide ...

How to build Mac OS X services with Automator and shell scripting In this hands-on tutorial, Ars will show you how to use Automator to build … ...

Introduction One particular frustration with the UNIX shell is the inability to easily schedule multiple, concurrent tasks that fully utilize CPU cores presented on modern systems. The example of ...

The shell can be personalised by editing the prelude file, which allows you to overload functions for the prompt text, the incomplete prompt text (so you can implement intelligent completion ...