Most people tend to encounter shell scripts as attempts to write portable utilities that run properly on most, if not all, UNIX workalikes. Instead of making the best use of the shell and related ...

One of the most convenient ways to manipulate information in scripts is to store it in an array. Arrays facilitate looping through lists of related values, keeping track of an ever changing number of ...

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 ...

One of the most universal experiences of any Linux or Unix user is working through a guide or handbook and coming across an almost unbelievably complex line of code meant to be executed with a shell.

Simply put, a Shell Script is a program that is run by a UNIX/Linux shell. It is a file that contains a series of commands which are executed sequentially as if they were entered on the command line ...

An associative array is an array which uses strings as indices instead of integers. To see how associative arrays work, we’re going to look at both the Korn shell and Perl, though only the newest ...