以下のように、各要素をダブルクォートで括ったCSVを出力したい。
"NAME","AVG","HR","RBI" "YAMADA",". 272","34","101" "MURAKAMI",".278","39","112"
方法
:force_quotesオプションを使用する。
CSV.open(output_path, "w", force_quotes: true) {|csv| csv << ["NAME","AVG","HR","RBI"] csv << ["YAMADA",". 272","34","101"] csv << ["MURAKAMI",".278","39","112"] }