If you're working with a large amount of data in your Bash scripts, arrays will make your life a lot easier. Some people get intimidated by the syntax. But once learned, it will make your scripts more ...

Have you ever been confused by the different ways to use Bash arrays? Or perhaps you're just learning Bash, and they're next on your list? Bash arrays can act strangely depending on how you use them.

In Bash, a hash is a data structure that can contain many sub-variables, of the same or different kinds, but indexes them with user-defined text strings, or keys, instead of fixed numeric identifiers.