Script: #!/bin/bashecho"Enter your marks out of 100: "readmarksif[$marks-gt 100];thenprintf"You have entered incorrect marks:$marks\n "fi Output: Use theifStatement With Multiple Conditions In the previous example, we used a single condition. We can also apply multiple conditions and sep...
Bash, short for "Bourne Again SHell," is a powerful scripting language used in Unix-based operating systems. One of the fundamental constructs in Bash programming is the if statement. The if statement allows you to control the flow of your script based on specific conditions. In this article,...
The main advantage of using ‘else if’ in bash scripting is that it allows your scripts to handle multiple conditions, making them more flexible and powerful. However, it’s important to be aware of potential pitfalls. For instance, the order of your conditions matters. The script will execu...
Using a Bash If Statement with multiple conditions Using Nested If Statements Common Pitfalls and Errors Incorrect usage of the single bracket command [ How to solve the Binary Operator Expected Error? Why you should not use the || and && operators instead of a Bash If Statement? Detailed Exam...
if[8-gt6] && [10-eq10]; then echo"Conditions are true" fi # TRUE && FALSE if["mylife"=="mylife"] && [3-gt10]; then echo"Conditions are false" fi Output Example 5 In this example, we will define how to use OR operator to include multiple conditions in the if expression: ...
To get a deeper understanding and review, read the accompanying lesson, Bash Scripts: If Statements. The lesson covers: What a bash script if statement is Writing a basic if statement Adding conditions to if statements Using multiple conditions ...
num=1if[[ !$num-eq 0 ]]thenecho"Value of num is not 0"fiCopy Here we have used thenot(!) operator for an individual expression. When we have multiple expressions, thenot (!)operator is applied only to the individual expression. ...
I have included some of the most popular test conditions in the table below: Luckily, you don’t need to memorize any of the test conditions because you can look them up in the testman page: kabary@handbook:~$ man test Let’s create one final script namedfiletype.shthat detects whether ...
$ bash script.sh Enter your age: 19 Access allowed $ bash script.sh Enter your age: 16 Access denied There can be as many conditions as you want, for this purpose the construct elif is used, which also as if can check conditions:...
This will clone the repository and install the new versions of scripts that were installed, if you didn’t install a certain tool this script will not install the new version of that tool. Uninstalling AUR pacman -Rns bash-snippets#or bash-snippets-git ...