In our first tutorial on command line wizardry, we covered simple redirection and the basics of sed, awk, and grep. Today, we’re going to introduce the concepts of simple variable substitution and ...

I've got a bit of shell to generate a uri for curl to post, but I want to use the vars as both text and as variables. Here's the example code: Code: #!/bin/bash ...

We often read (including in the book Advanced Bash-Scripting Guide by Mendel Cooper) that if we pass variable names as parameters to functions, they will be treated as string literals and cannot be ...

Developing bash scripts lets you do a lot of work with little or no effort. This bash command cheat sheet will help you get started. Developing scripts in bash (short for Bourne-Again SHell) can be a ...

Typically we interact with the Linux operating system through what is referred to as a shell interpreter. A common interpreter is the Bourne Again Shell, which people call by the catchy name of bash ...

If you use bash you already know what Parameter Expansion is, although you may have used it without knowing its name. Anytime you use a dollar sign followed by a ...