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Find the problem in this error handling snippet:

medium📝 Debug Q7 of 15
Bash Scripting - Error Handling
Find the problem in this error handling snippet:
grep "pattern" file.txt || echo "Pattern not found"
exit 0
Agrep syntax is incorrect
Bexit 0 ignores the error status
Cecho should be before grep
DNo problem, script works fine
Step-by-Step Solution
Solution:
  1. Step 1: Understand exit codes

    exit 0 means success, so script always ends with success status.
  2. Step 2: Effect on error handling

    This hides grep failure from outside scripts or users, causing silent failure.
  3. Final Answer:

    exit 0 ignores the error status -> Option B
  4. Quick Check:

    exit 0 hides errors, causing silent failures [OK]
Quick Trick: Use exit codes carefully to reflect real success/failure [OK]
Common Mistakes:
MISTAKES
  • Using exit 0 after failure
  • Misunderstanding exit code meanings
  • Placing echo incorrectly

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