"Scripting" is a list of commands and parameters that are to be executed one after the next in sequential order. Bash also ...

Bash functions, unlike functions in most programming languages do not allow you to return a value to the caller. When a bash function ends its return value is its status: zero for success, non-zero ...

Bash provides a way to create functions, groups of commands that can be set up inside a script and invoked as a group. Functions can therefore be run as often or as infrequently as needed.

It is easy to dismiss bash — the typical Linux shell program — as just a command prompt that allows scripting. Bash, however, is a full-blown programming language. I wouldn’t presume to tell ...

Variables are a mechanism to label data with a descriptive name and then reference it later in the script. They function identically in Bash and PowerShell, although the operation is slightly ...

Using a function in bash allows you to create something in Linux that works as if it were a script within a script. Whenever the data being processed matches a set of conditions, your script can ...

Here's a secret you might not have known: you don't need advanced programming skills to write ... basic scripts with a language like Python or Bash can save you a lot of time on everything from ...

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 ...

If you are a traditional programmer, using bash for scripting may seem limiting sometimes ... issues are because some of the advanced functions in bash are arcane or confusing.