昨日の続きです。 # -*- coding: utf-8 -*- #! /usr/bin/env ruby require 'rubygems' require 'detector' require 'RMagick' file = ARGV.shift model = '/usr/local/share/opencv/haarcascades/haarcascade_frontalface_alt2.xml' raise "Arguments error" unless file raise "File not found: #{file}" unless File.exists?(file) raise "File not found: #{model}" unless File.exists?(model) d = Magick::Draw.new.stroke('tomato').