Question

  def csv_parsing
    require 'csv'
    csv_file_path = File.join(File.dirname(__FILE__), "csv_data.csv")
    CSV.parse(csv_file_path) do |line|
      puts line[0]
    end
  end

This is a simple example, how I try to parse CSV file. The action above is placed in controller, the file is in the project’s root.

But instead of getting the data from CSV file I am getting the path to file, like:

/Users/my_mane/ruby_folder/my_project/app/controllers/csv_data.csv

Note: the file contain a real data.

Why is printed out instead of own data just the file path?

Answer 1

Because CSV#parse actually parses the string you passed to it, not the file from location that this string contains.
What you need is CSV#read: http://ruby-doc.org/stdlib-1.9.2/libdoc/csv/rdoc/CSV.html#method-c-read