In a Bash script, we can have multiple types of conditional statements like: ifstatements if .. then.. elsestatement if .. elifstatements Nestedifstatements casestatements We’ll discuss theifstatements with single and multiple conditions. Before moving towards theifstatement, let’s see some com...
In bash script, if you wish to apply multiple conditions using if statement then use ‘ if elif else’. In this type of conditional statement, if the first condition is met then code below it will be executed otherwise next if condition will checked and if it is not matched then commands...
Q1. Can I have multiple conditions in a single if statement? A1. Yes, you can combine multiple conditions using logical operators such as && (AND) and || (OR) to create compound conditions within a single if statement. Q2. Can I use the if statement to check the existence of a file...
Using if statement: You can use if condition with single or multiple conditions. Starting and ending block of this statement is define by ‘if’ and ‘fi’. Create a file named ‘simple_if.sh’ with the following script to know the use if statement in bash. Here, 10 is assigned to th...
Use of if-elif-else statement Syntax: if[condition];then Command(s) elif[condition];then Command(s) ….. else Command(s) fi Example-4: if-elif-else statement to check different conditions Multiple conditions with multiple if statements are declared in this example to print grade based on ...
#!/bin/bash read -p "Enter the number: " num if [ $num -lt 0 ]; then echo "Number $num is negative" elif [ $num -gt 0 ]; then echo "Number $num is positive" else echo "Number $num is zero" fi Let me run it to cover all three cases here: Combine multiple conditions wi...
'Else if'in bash scripting, often written as'elif', is used to check multiple conditions in your code. It is used with the syntax,if [firstStatement]; then... elif [secondCondition]; then... else. It’s a powerful tool that allows your scripts to make decisions based on various scen...
Note:Observe the spaces used in the first line and a semicolon at the end of the first line; both are mandatory to use.If conditional statementends withfi. For using multiple conditions with AND operator: if[ expression_1 ] && [ expression_2 ]; ...
Either[[ ]]or[ ]should be used to evaluate the condition. If the condition is evaluated to"True", then a block of code will be executed. A conditional statement can have one if condition and multipleelifconditions. If a condition is evaluated to be true all subsequent conditional statements...
For otheruntilloop examples such as integer comparison, string comparison and multiple conditions, refer to those demonstrated in thewhileloop. If you find this tutorial helpful, I recommend you check out theseries ofbashshell scripting tutorialsprovided by Xmodulo....