What will be the output of the following command if my_script.sh prints "Done" to stdout and "Warning" to stderr?

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Bash Scripting - Error Handling

What will be the output of the following command if my_script.sh prints "Done" to stdout and "Warning" to stderr?

./my_script.sh > output.log 2> error.log

ABoth "Done" and "Warning" are saved in output.log

B"Done" is saved in output.log and "Warning" is saved in error.log

CBoth "Done" and "Warning" are saved in error.log

DNothing is saved in either file

Step-by-Step Solution

Solution:

Step 1: Understand redirection operators
> redirects stdout to output.log, 2> redirects stderr to error.log.
Step 2: Match outputs to files
"Done" (stdout) goes to output.log, "Warning" (stderr) goes to error.log.
Final Answer:
"Done" is saved in output.log and "Warning" is saved in error.log -> Option B
Quick Check:
Separate stdout and stderr to different files [OK]

Quick Trick: Use > for stdout, 2> for stderr redirection [OK]

Common Mistakes:

MISTAKES

Assuming both outputs go to the same file
Mixing up stdout and stderr
Forgetting to redirect stderr separately

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More Bash Scripting Quizzes

What will be the output of the following command if my_script.sh prints "Done" to stdout and "Warning" to stderr?

Step 1: Understand redirection operators

Step 2: Match outputs to files

Final Answer:

Quick Check:

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