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LPI 101-500 Exam - Topic 4 Question 59 Discussion

Which of the following commands will change all CR-LF pairs in an imported text file, userlist.txt, to Linux standard LF characters and store it as newlist.txt?
C) tr --d '\r' < userlist.txt > newlist.txt
A) tr '\r\n' '' < userlist.txt > newlist.txt
B) tr --c '\n\r' '' < newlist.txt > userlist.txt
D) tr '\r' '\n' userlist.txt newlist.txt
E) tr --s '^M' '^J' userlist.txt newlist.txt

LPI 101-500 Exam - Topic 4 Question 59 Discussion

Actual exam question for LPI's 101-500 exam
Question #: 59
Topic #: 4
[All 101-500 Questions]

Which of the following commands will change all CR-LF pairs in an imported text file, userlist.txt, to Linux standard LF characters and store it as newlist.txt?

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Suggested Answer: C

by Nieves at Oct 11, 2022, 02:59 AM

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Otis
10 months ago
I agree with C, it’s the simplest way to do it.
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Rosalind
10 months ago
Wait, I thought LF was just a line break, not a command thing?
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Desmond
10 months ago
Definitely not B, that one’s wrong.
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Melynda
10 months ago
I think A looks correct too, but not sure.
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Eliz
10 months ago
Option C is the right command!
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Gladys
11 months ago
I can't recall if we used `tr` with `--s` for substitution in class, but it doesn't seem right for this question.
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Anglea
11 months ago
I feel like option A is close, but it seems like it might not be the right syntax for what we need.
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Sharika
11 months ago
I remember practicing a similar question, and I think the correct command uses the `--d` option to delete characters.
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Peter
11 months ago
I think the command should remove the carriage return characters, but I'm not sure if it's option C or D.
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Lashandra
11 months ago
Okay, I've got a few ideas here. I'm thinking we can downsize the notebook instance and use a more memory-optimized instance for the data preprocessing. And stopping the notebook when it's not in use should help save some costs too.
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Malinda
11 months ago
I'm a bit confused by the wording of the question. Can someone clarify what "Consistent CDC" means in the context of this problem?
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