Class: CSV (Ruby 1.9.3)

This class provides a complete interface to CSV files and data. It offers tools to enable you to read and write to and from Strings or IO objects, as needed. Reading¶ ↑ From a File¶ ↑ A Line at a Time¶ ↑ CSV.foreach("path/to/file.csv") do |row| # use row here... end All at Once¶ ↑ arr_of_arrs = CSV.read("path/to/file.csv") From a String¶ ↑ A Line at a Time¶ ↑ CSV.parse("CSV,data,String") do |row|

[mathemathiko]

CSV.foreachはCSVファイルからの1行ごとの読み込み。