You want to run a command and print "Success" if it succeeds, or "Failed" if it fails, using exit codes. Which script snippet correctly does this?

hard🚀 Application Q8 of 15

Bash Scripting - Error Handling

Acommand if [ $? ]; then echo "Success"; else echo "Failed"; fi

Bcommand if [ $? = 0 ]; then echo "Success"; else echo "Failed"; fi

Ccommand if [ $? -ne 0 ]; then echo "Success"; else echo "Failed"; fi

Dcommand if [ $? -eq 0 ]; then echo "Success"; else echo "Failed"; fi

Step-by-Step Solution

Solution:

Step 1: Check correct numeric comparison
Use -eq 0 to test if exit code equals zero (success).
Step 2: Confirm logic for success and failure
If exit code is 0, print "Success"; else print "Failed".
Final Answer:
command if [ $? -eq 0 ]; then echo "Success"; else echo "Failed"; fi -> Option D
Quick Check:
Use -eq 0 for success check [OK]

Quick Trick: Use if [ $? -eq 0 ] for success, else for failure [OK]

Common Mistakes:

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