Linux CLI - Text Processing
Which of the following is the correct syntax to extract the 3rd character from each line of a file named
file.txt?Which of the following is the correct syntax to extract the 3rd character from each line of a file named file.txt?
easy📝 Syntax Q3 of 15
Step-by-Step Solution
Solution:
Step 1: Understand character extraction syntax
The-coption extracts characters by position. The correct syntax includes a space before the character number.Step 2: Validate options
-fextracts fields,-dsets delimiter, and-c3without space is invalid syntax.Final Answer:
cut -c 3 file.txt -> Option BQuick Check:
Extract 3rd char = cut -c 3 [OK]
Quick Trick: Use space after -c to specify character position [OK]
Common Mistakes:
- Using -f instead of -c for characters
- Omitting space after -c
- Using -d to select characters
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