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.

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 ...

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 ...

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.

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 ...

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 ...