gistfile1.txt

require 'csv'
require 'Benchmark'

csv = CSV.open('100k-Records.csv', 'r', headers: true)
csv = CSV.open('5m-Records.csv', 'r', headers: true)

Benchmark.bm do |x|
  x.report do
    while row = csv.shift
      if row['Order ID'] == 423063170
        break
      end
    end
  end
end