May 9, 2024 · Using loops with if statements is a powerful mechanism in Bash for executing conditional logic over a series of data or as long as a condition evaluates to true. Bash provides different loop structures that can be combined with if statements to automate iterative tasks while making decisions.

You can compare number and string in a bash script and have a conditional if loop based on it. The following example sets a variable and tests the value of the variable using the if statement. The then statement is placed on the same line with the if.

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.

Jan 3, 2024 · Looping Statements in Shell Scripting: There are total 3 looping statements that can be used in bash programming. To alter the flow of loop statements, two commands are used they are, Their descriptions and syntax are as follows:

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…

Jan 7, 2014 · Correct your syntax: spaces must be used around [ and ], parameter expansions must be quoted, and -gt is appropriate for numeric comparisons inside of [ ]. > in sh is used as redirection operator; if you want to use it in arithmetical comparison, you must use the bash-only syntax. echo "This is a numeric comparison if example"

Feb 27, 2020 · To use multiple conditions in one if-else block, then elif keyword is used in shell. If expression1 is true then it executes statement 1 and 2, and this process continues. If none of the condition is true then it processes else part. statement1. statement2. statement3. statement4. statement5. if..then..else..if..then..fi..fi.. (Nested if)

Dec 15, 2020 · How such if statements can also be used inside a Bash scripts; Examples showing you the if, elif, else, then and fi clauses in Bash

In this chapter of bash beginner series, you'll learn about using if-else, nested if else and case statements in bash scripts.

May 2, 2023 · 9 Examples of for Loops in Linux Bash Scripts. The if statement says that if something is true, then do this. But if the something is false, do that instead. The "something" …