To see how associative arrays work, we’re going to look at both the Korn shell and Perl, though only the newest version of the Korn shell (referred to as “korn93”) supports associative arrays.

Command interpreters and scripting languages like the Bash shell are essential tools of any operating system. Here's how to use powerful data structures in Bash called associative arrays or hashes.

Bash stands for "Bourne Again SHell" and is named after Stephen Bourne, one of the creators of Bash's predecessors. Bash scripting commands are as varied as the command set that Unix's terminal has.

Bash Bash (Bourne Again SHell) is the default shell on most Linux distributions and macOS. Its prevalence in the Unix-like world, straightforward syntax, and powerful command integration make it an ...

I'm trying to expand one item in an array into a new array, like so:Ar1[1]="a,b,c,d,e"; # ...

The bash man page has long had the following bug listed: "It's too big and too slow" (at the very bottom of the man page). If you agree with that, then you probably won't want to read about ...

Bash’s history also provides arrow-key navigation. If you open a Bash shell and press the up arrow, you’ll see the previously entered command appear on the command line.