[Solved] Find the error in this script snippet:printf "Result: %d\n" 100 > result.txt printf "Done" >> result.txt printf "End" > result.txt | Bash Scripting

Bash Scripting - File Operations in Scripts

Find the error in this script snippet:

printf "Result: %d\n" 100 > result.txt
printf "Done" >> result.txt
printf "End" > result.txt

Aprintf cannot write to files

BThe last printf overwrites the file, losing previous content

CThe first printf has wrong format specifier

DMissing newline in second printf causes error

Step-by-Step Solution

Solution:

Step 1: Analyze file redirection in each line
First printf writes formatted line overwriting file. Second appends. Third overwrites again, erasing previous content.
Step 2: Identify unintended overwrite
The last line uses > which overwrites, losing earlier lines.
Final Answer:
The last printf overwrites the file, losing previous content -> Option B
Quick Check:
Using > overwrites file, >> appends [OK]

Quick Trick: Use >> to append, > overwrites file [OK]

Common Mistakes:

MISTAKES

Master "File Operations in Scripts" in Bash Scripting

9 interactive learning modes - each teaches the same concept differently

More Bash Scripting Quizzes

Find the error in this script snippet: