Bash Scripting - Error Handling
Which of the following is the correct way to check the exit code of the last command in bash?
Which of the following is the correct way to check the exit code of the last command in bash?
easy📝 Syntax Q12 of 15
Step-by-Step Solution
Solution:
Step 1: Recall special variable for exit code
The special variable$?holds the exit code of the last command.Step 2: Verify correct syntax
Usingecho $?prints the exit code correctly.Final Answer:
echo $? -> Option BQuick Check:
Use $? to get last exit code [OK]
Quick Trick: Use $? immediately after command to get exit code [OK]
Common Mistakes:
MISTAKES- Using undefined variables like $exit_code
- Forgetting to check $? right after command
- Using $status which is not standard
Master "Error Handling" in Bash Scripting
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