does it fit as carry on

does_it_fit_as_carryon.rb

require 'optparse'

options = {}
OptionParser.new do |opts|
  opts.banner = ""
  opts.on("-l", "--length v", "length") {|v| options[:length] = v}
  opts.on("-w", "--width v", "width") {|v| options[:width] = v}
  opts.on("-h", "--height v", "height") {|v| options[:height] = v}
  opts.on("-sl", "--set-length v", "length") {|v| options[:setlength] = v}
  opts.on("-sw", "--set-width v", "width") {|v| options[:setwidth] = v}
  opts.on("-sh", "--set-height v", "height") {|v| options[:setheight] = v}
end.parse!

if options[:setheight] && options[:setlength] && options[:setwidth]
  File.open('settings.cfg', 'w') do |file|
    file.puts(options[:setlength])
    file.puts(options[:setwidth])
    file.puts(options[:setheight])
  end
end

if !File.exist?('settings.cfg')
  File.open('settings.cfg', 'w') do |file|
    file.puts(22)
    file.puts(14)
    file.puts(9)
  end
else
  lwh = []
  File.open("settings.cfg", "r") do |f|
    lwh = f.each_line.map {|l| l}
  end
  options[:setlength] = lwh[0]
  options[:setwidth] = lwh[1]
  options[:setheight] = lwh[2]
end

slwh = [options[:setlength], options[:setwidth], options[:setheight]]
lwh = [options[:length], options[:width], options[:height]]

def does_it_fit slwh, lwh
  (0..2).each.map { |i| slwh[i] > lwh[i] }.all?
end

sorted_set = slwh.map{|thing| thing.to_f}.sort
sorted_input = lwh.map{|thing| thing.to_f}.sort

puts "#{does_it_fit sorted_set, sorted_input} orientation L W H #{sorted_input}"