each {|row| ... } -> nil
[permalink][rdoc][edit]-
各行に対してブロックを評価します。
データソースは読み込み用にオープンされていなければなりません。
require "csv" users = <<CSV id,first name,last name,age 1,taro,tanaka,20 2,jiro,suzuki,18 3,ami,sato,19 4,yumi,adachi,21 CSV csv = CSV.new(users, headers: true) csv.each do |row| p row end # => #<CSV::Row "id":"1" "first name":"taro" "last name":"tanaka" "age":"20"> # => #<CSV::Row "id":"2" "first name":"jiro" "last name":"suzuki" "age":"18"> # => #<CSV::Row "id":"3" "first name":"ami" "last name":"sato" "age":"19"> # => #<CSV::Row "id":"4" "first name":"yumi" "last name":"adachi" "age":"21">
require "csv" users = <<CSV id,first name,last name,age 1,taro,tanaka,20 2,jiro,suzuki,18 3,ami,sato,19 4,yumi,adachi,21 CSV csv = CSV.new(users) csv.each do |row| p row end # => ["id", "first name", "last name", "age"] # => ["1", "taro", "tanaka", "20"] # => ["2", "jiro", "suzuki", "18"] # => ["3", "ami", "sato", "19"] # => ["4", "yumi", "adachi", "21"]