You want a script to exit with code 5 only if a file named data.txt does NOT exist. Which snippet correctly does this?

hard🚀 Application Q8 of 15

Bash Scripting - Error Handling

You want a script to exit with code 5 only if a file named data.txt does NOT exist. Which snippet correctly does this?

Aif [ -f data.txt ]; then exit 5; fi

Bif [ ! -f data.txt ]; then exit 5; fi

Cexit 5 if [ ! -f data.txt ]

Dexit 5 unless [ -f data.txt ]

Step-by-Step Solution

Solution:

Step 1: Understand file test
[ ! -f data.txt ] checks if file does NOT exist.
Step 2: Use correct syntax
The if statement with exit 5 inside runs exit only if file missing.
Final Answer:
if [ ! -f data.txt ]; then exit 5; fi -> Option B
Quick Check:
Use if + ! -f + exit N [OK]

Quick Trick: Use if [ ! -f file ] then exit N [OK]

Common Mistakes:

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