Bash if else Statement | Bash: If, Else If, Else Examples | How to Use if-else in Shell Scripts?
Oct 29, 2023
The if...else statement in bash is a conditional statement that allows you to execute different code depending on the value of a condition. The syntax for the if...else statement is as follows:
Bash
if [condition]; then
# code to execute if the condition is true
else
# code to execute if the condition is false
fi
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The condition can be any expression that evaluates to a true or false value. For example, you could use a comparison operator, such as == or !=, to compare two values. Or, you could use a logical operator, such as && or ||, to combine two or more conditions.
If the condition evaluates to true, the code block inside the then clause is executed. Otherwise, the code block inside the else clause is executed.
Here is an example of a simple if...else statement in bash:
Bash
#!/bin/bash
# Check the value of the variable $age
if [ "$age" -ge 18 ]; then
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