#
# using regular iteration
#
# the CSV::Reader.parse method loops through CSV data and returns an array of items for
# each row of the file. We use File.open() to pass in a file that contains CSV data
#
i=0
CSV::Reader.parse(File.open('data.csv','rb')) do |row|
  i += 1  # increment our line counter

  # we want to ignore the first line because it has headers
  if (i > 1)

    name = row[0]
    email = row[1]
    save_record(name,email)

  end
end

#
# this works, but it's not re-usable.  If we want to change the number of lines
# to ignore when reading a different file, we have to repeat the whole code structure.
# We also expose a utility variable "i" in our main code which makes things harder to read
#

# to parse another file
i=0
CSV::Reader.parse(File.open('report.csv','rb')) do |row|
  i += 1  # increment our line counter

  # we want to ignore the first 3 lines this time
  if (i > 3)

    date = row[0]
    first_month = row[1]
    total = row[2]
    # and so on...
    save_report(date,first_month,total)

  end
end