If you're writing a Bash script, you will invariably need to pass values to it—aka arguments or positional parameters. Bash's approach is a little clunky, but it works. Examples are the easiest way to ...

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 ...

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.

Creating a sed-based file substitution tool. A few weeks ago, I was digging through my spam folder and found an email message that started out like this: Dear #name# Congratulations on winning the $15 ...