Linux Bash If Statement

Linux Bash If Statement - 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 If Statement Bash if conditionals can have different forms The most basic if statement takes the following form if TEST COMMAND then STATEMENTS fi The if statement starts with the if keyword followed by the conditional expression and the then keyword The statement ends with the fi keyword That s exactly what bash s if statement does if command then echo Command succeeded else echo Command failed fi Adding information from comments you don t need to use the syntax in this case is itself a command very nearly equivalent to test

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Linux Bash If Statement

Bash Scripting Nested If Statement Linux Tutorials Learn Linux Configuration

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Programming In Linux Shell 3 IF Statement YouTube

Programming in linux shell 3 if statement youtube

Like other programming languages Bash scripting also supports if else statements And we will study that in detail in this blog post Syntax of if Statements You can use if statements in a variety of ways The generic structure of if statements is as follows Using an if statement only if then fi

Example 1 Simple if statement at the command line if 1 eq 1 then echo Matched 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 if 0 ne 1 then echo Matched fi Matched

Bash If Else Statements With Examples FOSS Linux

Bash if else statements with examples foss linux

Bash If Elif Else Statement A Comprehensive Tutorial With Examples 2022

Bash if elif else statement a comprehensive tutorial with examples 2022

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How to if else statement in shell script Ask Question Asked 11 years 2 months ago Modified 3 years 3 months ago Viewed 43k times 6 I m receiveing an error on a simple script when using if else statement The code bin sh count 100 if count 3 then echo Test IF fi The error bin ash line 6 100 not found shell Share Follow

1 Open the terminal CTRL ALT T and create an example script to test how the bash if statement works vi test script sh 2 In the script add the following lines echo n Please enter a whole number read VAR echo Your number is VAR if test VAR gt 100 then echo It s greater than 100 fi echo Bye