Update a CSV file : csv « Development « Ruby

1. Ruby
2. Development
3. csv

Update a CSV file

require 'csv'

File.open("newdata.csv","w") do |file|
  IO.foreach("data.csv") do |line|
     a=CSV::parse line.chomp
     if a[1].to_i > 20
       s=a[2].to_i
       a[2]=s*1.1  # 10% raise
     end
    file.puts CSV::create(a)
  end
end

 

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