average_execution

#! /usr/bin/env ruby

time_file_names = Dir['time_*.txt']
  .collect { |f| f.split('_') }
  .group_by { |f| f[1] } # group by ruby version

versions = time_file_names.keys

puts "Found (#{versions.size}) ruby versions: #{versions.join(', ')}"
puts

versions.each do |version|
  puts "Ruby #{version} execution metrics:"

  executions = []
  min = 0
  max = 0
  avg = 0

  time_file_names[version].each do |filename|
    file = File.open(filename.join('_'), 'r')

    executions.push file.read.split('real')[0].to_f
    executions.sort!

    min = executions.first
    max = executions.last
    avg = executions[1..-1].sum / (executions[1..-1].size.to_f)
  end

  puts "min = #{min}, max = #{max}, avg = #{avg}"
  puts
end

measurement_lines = `wc -l measurements.txt`.split(' ')[0]

puts "while producing #{measurement_lines} lines!"