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Exam 101-400 All Questions

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Exam 101-400 topic 3 question 38 discussion

Actual exam question from LPI's 101-400
Question #: 38
Topic #: 3
[All 101-400 Questions]

Which of the following commands will reduce all consecutive spaces down to a single space?

  • A. tr '\s' ' ' < a.txt > b.txt
  • B. tr -c ' ' < a.txt > b.txt
  • C. tr -d ' ' < a.txt > b.txt
  • D. tr -r ' ' '\n' < a.txt > b.txt
  • E. tr -s ' ' < a.txt > b.txt
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Suggested Answer: E 🗳️

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DuboisNicolasDuclair
1 year, 4 months ago
Selected Answer: E
The command that will reduce all consecutive spaces down to a single space is: E. `tr -s ' ' < a.txt > b.txt` The `-s` option in the `tr` command squeezes (or reduces) consecutive spaces into a single space, effectively eliminating duplicate spaces in the input file `a.txt` and saving the result to `b.txt`.
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