Shell scripting is a powerful way to automate tasks and manipulate data in Linux and Unix systems. One common task is to check if a string is empty or null, which means it has no value or content.

In programming, strings are one of the data types which are an ordered sequence of characters. It is important that you know how to create and manipulate strings in bash. In this guide, we will learn ...

alias ls='ls -F' You can nest aliases. Aliases are disabled for noninteractive shells (that is, shell scripts). Use the unalias builtin to remove an alias. When you give an alias builtin command ...

Learn how to use different methods to check if a string is empty or null in shell script, and see some examples of how to use them in your scripts. Skip to main content LinkedIn.