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You want to count characters in a file but exclude newline characters from the count. Which command helps achieve this?

hard📝 Application Q9 of 15
Linux CLI - Viewing and Editing Files
You want to count characters in a file but exclude newline characters from the count. Which command helps achieve this?
Acat file.txt | wc -l
Bwc -c file.txt
Ctr -d '\n' < file.txt | wc -m
Dwc -m file.txt
Step-by-Step Solution
Solution:

  1. Step 1: Understand newline inclusion in counts

    wc -m counts all characters including newlines.

  2. Step 2: Remove newlines before counting

    Using tr -d '\n' deletes newlines, then piping to wc -m counts remaining characters.

  3. Final Answer:

    tr -d '\n' < file.txt | wc -m -> Option C

  4. Quick Check:

    Remove newlines first, then count characters [OK]
Quick Trick: Use tr -d '\n' to remove newlines before counting [OK]
Common Mistakes:
MISTAKES
  • Using wc -c or wc -m directly includes newlines
  • Counting lines instead of characters
  • Using cat file.txt | wc -l which counts lines

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