May 9, 2024 · In this article, I will introduce 7 practical examples of using OR, AND and NOT operators within an ‘if’ condition in Bash. What Are the “OR”, “AND”, and “NOT” Operators in Bash? OR, AND and NOT are the logical operators in Bash used to perform logical operations on conditional expressions.

Apr 15, 2025 · Learn how to use if, else, and elif statements in shell scripting. This guide provides syntax explanations, practical examples, and common use cases for cond…

Dec 22, 2023 · In this article, we will discuss about if statement in bash scripting. # code to be executed if the condition is true. Explanation: if [ condition ]; then: This line starts the if statement, where condition is the expression that is evaluated. If the condition is true, the code inside the then block is executed.

Feb 27, 2020 · Conditional Statements: There are total 5 conditional statements which can be used in bash programming. if..then..else..if..then..fi..fi.. (Nested if) Their description with syntax is as follows: This block will process if specified condition is true. statement. If specified condition is not true in if part then else part will be execute.

Sep 30, 2010 · For example: if [ -n "${check_inodes}" ] && [ "$(stat -f %i "/foo/bar")" = "$(stat -f %i "/foo/baz")" ]. Doing it this way, if check_inodes is empty, you avoid two calls to stat , whereas a larger, complex test condition must process all arguments before executing (which can also lead to bugs if you forget about that behaviour).

Use the Linux Bash if statement to build conditional expressions with an if then fi structure. Add elif keywords for additional conditional expressions, or the else keyword to define a catch-all …

Dec 15, 2020 · In this tutorial you will learn: Bash if Statements: if, elif, else, then, fi. Matched! In this statement, we are comparing one to one. Note that -eq mean equal to. To do the reverse, one can use -ne which means not equal to, as shown in the following example: Matched!

Bash if statements. Learn if statements, else, elif and case statements with sample scripts, detailed descriptions and challenges.

You can use an elif (else-if) statement whenever you want to test more than one expression (condition) at the same time. For example, the following age.sh bash script takes your age as an argument and will output a meaningful message that corresponds to your age: #!/bin/bash AGE=$1 if [ $AGE -lt 13 ]; then echo "You are a kid."

Nov 14, 2022 · How to Use the if .. else Statement. When you are using an if statement and you want to add another condition, the syntax is as follows: if [ condition ] then statement else do this by default fi. Let's see an example where we want to find if the first number is greater or smaller than the second one.