Analyze TSV log

analyze.rb

#!/usr/bin/env ruby -wKU

class DataAnalyzer
  def initialize
    # Check for Ruby 1.9
    unless RUBY_VERSION.scan('1.9').length > 0
      puts "This script reqires Ruby 1.9 (specifically, ordered hashes). Sorry! Check out RVM or rbenv for easy management of Ruby versions."
      exit 1
    end
    # We must have at least one file to process
    if ARGV.length < 1
      STDERR.puts "This script expects at least one argument"
      exit 1
    end
    # Get data file path
    @file = File.expand_path(ARGV[0])
  end
  
  def start
    File.open(@file, 'r') do |file|
      file.each_line do |line|        
        f = line.split(/\t/)
        puts "#{f[0]} (#{f[1]}): #{f[2].to_f}"
      end
    end
  end
end

DataAnalyzer.new.start