[Solved] Identify the error in this script snippet:while read line; do echo $line; done file.txt - Ans: Missing input redirection operator < before file.txt | Bash Scripting

Bash Scripting - File Operations in Scripts

Identify the error in this script snippet:

while read line; do echo $line; done file.txt

AEcho command syntax is wrong

BIncorrect variable name used

CMissing input redirection operator < before file.txt

DMissing semicolon after read

Step-by-Step Solution

Solution:

Step 1: Check how the file is provided to the loop
The file must be redirected as input using < file.txt, not as an argument.
Step 2: Confirm syntax correctness
The rest of the syntax is correct; variable and echo usage are fine.
Final Answer:
Missing input redirection operator < before file.txt -> Option C
Quick Check:
Input redirection needed = D [OK]

Quick Trick: Use < file.txt to feed file lines, not argument [OK]

Common Mistakes:

MISTAKES

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