Библиотека RemoteTable использует roo для внутреннего использования. Это облегчает чтение электронных таблиц различных форматов (XLS, XLSX, CSV и т. Д., Возможно, удаленных, возможно, хранящихся в zip, gz и т. Д.):
require 'remote_table'
r = RemoteTable.new 'http://www.fueleconomy.gov/FEG/epadata/02data.zip', :filename => 'guide_jan28.xls'
r.each do |row|
puts row.inspect
end
Выход:
{"Class"=>"TWO SEATERS", "Manufacturer"=>"ACURA", "carline name"=>"NSX", "displ"=>"3.0", "cyl"=>"6.0", "trans"=>"Auto(S4)", "drv"=>"R", "bidx"=>"60.0", "cty"=>"17.0", "hwy"=>"24.0", "cmb"=>"20.0", "ucty"=>"19.1342", "uhwy"=>"30.2", "ucmb"=>"22.9121", "fl"=>"P", "G"=>"", "T"=>"", "S"=>"", "2pv"=>"", "2lv"=>"", "4pv"=>"", "4lv"=>"", "hpv"=>"", "hlv"=>"", "fcost"=>"1238.0", "eng dscr"=>"DOHC-VTEC", "trans dscr"=>"2MODE", "vpc"=>"4.0", "cls"=>"1.0"}
{"Class"=>"TWO SEATERS", "Manufacturer"=>"ACURA", "carline name"=>"NSX", "displ"=>"3.2", "cyl"=>"6.0", "trans"=>"Manual(M6)", "drv"=>"R", "bidx"=>"65.0", "cty"=>"17.0", "hwy"=>"24.0", "cmb"=>"19.0", "ucty"=>"18.7", "uhwy"=>"30.4", "ucmb"=>"22.6171", "fl"=>"P", "G"=>"", "T"=>"", "S"=>"", "2pv"=>"", "2lv"=>"", "4pv"=>"", "4lv"=>"", "hpv"=>"", "hlv"=>"", "fcost"=>"1302.0", "eng dscr"=>"DOHC-VTEC", "trans dscr"=>"", "vpc"=>"4.0", "cls"=>"1.0"}
{"Class"=>"TWO SEATERS", "Manufacturer"=>"ASTON MARTIN", "carline name"=>"ASTON MARTIN VANQUISH", "displ"=>"5.9", "cyl"=>"12.0", "trans"=>"Auto(S6)", "drv"=>"R", "bidx"=>"1.0", "cty"=>"12.0", "hwy"=>"19.0", "cmb"=>"14.0", "ucty"=>"13.55", "uhwy"=>"24.7", "ucmb"=>"17.015", "fl"=>"P", "G"=>"G", "T"=>"", "S"=>"", "2pv"=>"", "2lv"=>"", "4pv"=>"", "4lv"=>"", "hpv"=>"", "hlv"=>"", "fcost"=>"1651.0", "eng dscr"=>"GUZZLER", "trans dscr"=>"CLKUP", "vpc"=>"4.0", "cls"=>"1.0"}