Check arguments in your Bash script (Bash)
Check arguments in your Bash script
test -z we can check if a variable’s length is zero. If that is the case, we print some friendly usage instructions instead of failing miserably.
Edit and run this Bash example code
This code is editable and runnable. You can run "Check arguments in your Bash script" by pressing the run button.
It will be executed in our backend and the result (
stderr) is displayed
in addition tabs.
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