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問題 84 に別解を追加しました
awk で CR だけ数えるようにしてみました。
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answer/84.md

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解答4(eban)$ zcat newline.txt.gz | awk '{print "CRLF", gsub(/\r\n/,"") "\nLF", gsub(/\n/,"")}' RS=%
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解答5(田代)$ zcat newline.txt.gz | od -c | tr -dc '\\rn' | sed 's/\\r/CR/g;s/\\n/LF\n/g' | sort | uniq -c | awk '{print $2,$1}'
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```
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### 読者別解
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by [kariya-mitsuru](https://github.com/kariya-mitsuru)
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```
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別解1 $ zcat newline.txt.gz | awk '/\r$/ {r++} END {print "LF", NR - r; print "CRLF", r}'
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```

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