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What would be the best way to check the exit status in an if statement in order to echo a specific output?
I'm thinking of it being
if [ $? -eq 1 ] then echo "blah blah blah" fi The issue I am also having is that the exit statement is before the if statement simply because it has to have that exit code. Also, I know I'm doing something wrong since the exit would obviously exit the program.
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Checking Exit Status of Command command to get the status of executed command. for exmaple, if you have executed one command called “ df -h “, then you want to get the exit status of this command, just type the following command: $ echo $? From the above outputs, you can see that a number 0 is returned.
Every command returns an exit status (sometimes referred to as a return status or exit code). A successful command returns a 0, while an unsuccessful one returns a non-zero value that usually can be interpreted as an error code.
The echo command is used to display the exit code for the last executed Fault Management command.
Every command that runs has an exit status. That check is looking at the exit status of the command that finished most recently before that line runs. If you want your script to exit when that test returns true (the previous command failed) then you put exit 1 (or whatever) inside that if block after the echo .
Every command that runs has an exit status.
That check is looking at the exit status of the command that finished most recently before that line runs.
If you want your script to exit when that test returns true (the previous command failed) then you put exit 1 (or whatever) inside that if block after the echo.
That being said, if you are running the command and are wanting to test its output, using the following is often more straightforward.
if some_command; then echo command returned true else echo command returned some error fi Or to turn that around use ! for negation
if ! some_command; then echo command returned some error else echo command returned true fi Note though that neither of those cares what the error code is. If you know you only care about a specific error code then you need to check $? manually.
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