'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...
Bonus: Bash if else statement in one line So far all the if else statement you saw were used in a proper bash script. That's the decent way of doing it but you are not obliged to it. When you just want to see the result in the shell itself, you may use the if else statements ...
else CODE-TO-EXECUTE-2 fi Now lets show specific examples of the basic variations of theIFELIFandELSEconditions in working examples below. Example 1: If statement in bash on string equality #!/bin/bash read-p"Enter a match word: "USER_INPUT ...
1. Bash If..then..fi statement if [ conditional expression ] then statement1 statement2 . fi This if statement is also called as simple if statement. If the given conditional expression is true, it enters and executes the statements enclosed between the keywords “then” and “fi”. If th...
The syntax of the if statement in Bash is: if first-test-commands; then consequent-commands; [elif more-test-commands; then more-consequents;] [else alternate-consequents;] fi Tests commands in the bash if statement, and bash elif clauses, are executed in order until one test succeed....
Conclusion Theif,if...elseandif...elif...elsestatements allow you to control the flow of the Bash script’s execution by evaluating given conditions. If the condition evaluated to false, the code in the optionalelseclause will be executed. ...
Bash if-else statement or conditional statement is the most fundamental concept in any programming language that provides the facility to execute code condition
9.1. Simple Bash if/else statement Please note the spacing inside the [ and ] brackets! Without the spaces, it won't work! #!/bin/bash directory="./BashScripting" # bash check if directory exists if [ -d $directory ]; then
if语法更短 # One line # Note: The 3rd statement may run when the 1st is true [[ $var == hello ]] && echo hi || echo bye [[ $var == hello ]] && { echo hi; echo there; } || echo bye # Multi line (no else, single statement) ...
STATEMENT .. fi if语句的双分支结构: if 命令; then 命令; else 命令; fi 注意:是否会执行then或else后面的命令,取决于if后面的命令的执行状态返回值; 1.如果其返回值为真,则执行then后面的命令; 2.如果其但回执为假,则执行else后面的命令; 建议在脚本中的书写格式: ...