generated from mwc/lab_pipes
61 lines
1.9 KiB
Markdown
61 lines
1.9 KiB
Markdown
# Exercises
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Answer the following questions (or at least as many as you can figure out) in this document.
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For all the questions, use the 100k words. Give your answer for each exercise, and
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show the command you used to get it. Each question can be answered using a single Terminal
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command, though you might need to use a number of pipes.
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If you want to be really stylish, put your code inside of backticks like this:
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`cat words_100k.txt | length | put 10 | equal | count`
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## 1. What is the longest word?
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antidisestablishmentarianism
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`cat words_100k.txt | length | order -r | head -n 1 | pluck 1`
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## 2. How many words have two u's in a row?
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16
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`cat words_100k.txt | match "uu" | count`
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## 3. How many words have the word "cat" in them?
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893
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`cat words_100k.txt | match "cat" | count`
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## 4. How many words have all five vowels (aeiou)?
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812
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`cat words_100k.txt | unique | pluck 0 | match "a.*e.*i.*o.*u.*" | count`
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## 5. Which words have two e's in a row, two o's in a row, and two k's in a row? (they don't have to be in that order)
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3
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`cat words_100k.txt | match "ee" | match "kk" | match "oo" | count`
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## 6. How many words have sixteen or more letters?
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696
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`cat words_100k.txt | length | put 16 | lessthan -e | count`
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## 7. What's the most frequent 10-letter word?
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9869
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`cat words_100k.txt | length | put 10 | equal | count`
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## 8. What's the longest word which doesn't have any repeated letters?
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antidisestablishmentarianism
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`cat words_100k.txt | length | order -r | head -n 1 | pluck 1`
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## 9. What's the longest word which only uses four different letters?
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senselessness
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`cat words_100k.txt | unique | length | put 4 | equal | pluck 3 | length | order -r | head -n 1 | pluck 1`
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## 10. If you rearrange the letters in "sidebar," what other words can you create?
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braised and seabird
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`cat words_100k.txt | length | put 7 | equal | pluck 2 | unique | match "a.*b.*d.*e.*i.*r.*s.*" | pluck 1` |