If condition for not equal is not working as expected in shell script
1 As Ansgar Wiechers pointed out you re missing a in front of the sam2 variable
Linux Bash Not Equal ne Operators Tutorial LinuxTect, The not equal operator generally used with the if or elif statements to check not equal and execute some commands Not Equal ne Operator Syntax Linux bash not equal operator is expressed with the ne which is the first letter of not equal Also the is used to express not equal operator
Shell What does ne mean in bash Stack Overflow
14 And it s numeric inequality is string inequality Keith Thompson Jul 17 2013 at 1 17 7 It doesn t mean anything in bash runs a command called test ne is an argument to the test command not to bash and you can find its documentation in man test Charles Duffy Jul 17 2013 at 1 18 3
Shell Does the syntax of not equal matter Unix Linux Stack Exchange, While it is true that semantically NOT A B is identical to A B one might be clearer to one person and the other to another It also is context dependent For example if I have a flag set the meanings might be more clear with one syntax over another if NOT fileHandleStatus FS OPEN as opposed to
How to Use Bash If Statements With 4 Examples How To Geek
How to Use Bash If Statements With 4 Examples How To Geek, Fi Copy the script from above into an editor save it as a file called if age sh and use the chmod command to make it executable You ll need to do that with each of the scripts we discuss chmod x if age sh Let s run our script if age sh Now we ll edit the file and use an age less than 21 customer age 18
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How to use IF ELSE statements in Shell Scripts Serverlab
How to use IF ELSE statements in Shell Scripts Serverlab Multiple IF tests can be used within a single IF statement block To do this with BASH or Shell Script the elif operator is used if TEST COMMAND then STATEMENTS elif TEST COMMAND STATEMENTS else STATEMENTS fi In the example above we ve combined an if statement with an elif and and an else If the first test is true execute statements
Bash Scripting Nested If Statement Linux Tutorials Learn Linux
The whole expression in your example is evaluated by test and not by the shell The shell evaluates just the exit status of ceving Shell script if statement compraising of string comparision and boolean check 0 How to use grep and logical operators inside if statement 0 How to represent multiple conditions in a shell if statement . Example 2 Using and if statement from within a Bash shell script It is good to note that you can easily copy and paste any if statement shown here or elsewhere and use it inside a Bash shell script For example echo bin bash myscript sh echo if 1 eq 1 then echo Matched fi myscript sh chmod x myscript sh The modulus operator divides a number with a divisor and returns the remainder As we know all even numbers are a multiple of 2 we can use the following shell script to check for us whether a number is even or odd bin bash n 10 if n 2 0 then echo The number is even else echo The number is odd fi
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