rubyc example data

analyzer.rb

headers = nil
rows = []

File.open(ARGV[0] || 'data.csv', 'r') do |file|
  headers = file.gets.split(',')

  while(line = file.gets) do
    cols = line.split(',')
    rows << cols
  end
end

puts "Tu csv tiene #{headers.size} columnas "
puts "Tu csv tiene #{rows.size} renglones "

# Imprime la ultima columna del primer elemento
puts rows[0].last
puts "-"*20

rows.each do |element|
  puts "Las fechas son #{element[0]}"
end

puts "-"*20

count = 0
rows.each do |element|
  element[2].gsub!(/^\s/, '')
  count += 1 if element[2].chomp == 'Pepe Juarez'
end

puts "Contador = #{count}"

data.csv