回答編集履歴
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コード例追加
test
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@@ -35,3 +35,41 @@
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```
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にしたいと言うことでいいでしょうか？
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#コード例
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43
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```Ruby
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require "csv"
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n = 0
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kore = nil
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CSV.filter do |row|
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case n
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when 0
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kore = row[1]
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when 1
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else
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row[1] = kore
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end
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n += 1
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end
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```
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