waste_files.rb

#coding:utf-8
#Xcode上の不要なファイルを抽出するスクリプト

puts "- start class file #{Time.now.strftime("%Y/%m/%d %H:%M:%S")}"
class_waste_count = 0

#クラスファイルの一覧を取得
result = `find ~/SampleProject -type f -name "*.h" -exec basename {} \\; | sort`
class_filenames = result.split("\n")

#クラスファイルの不要なファイルを抽出
class_filenames.each do |class_filename|
  command = "grep -rl '#import \"#{class_filename.chomp}\"' ~/SampleProject/* | wc -l"
  result = `#{command}`
  if result.strip.to_i == 1
    puts class_filename
    class_waste_count += 1
  end
end

puts "- end class file #{Time.now.strftime("%Y/%m/%d %H:%M:%S")}"

puts "- start image file #{Time.now.strftime("%Y/%m/%d %H:%M:%S")}"
image_waste_count = 0

#画像ファイルの一覧を取得
result = `find ~/SampleProject/images -type f -exec basename {} \\; | grep -v '@2x' | sort`
image_filenames = result.split("\n")

#画像ファイルの不要なファイルを抽出
image_filenames.each do |image_filename|
  command = "grep -rl '#{image_filename.chomp}' ~/SampleProject/* | grep -vE 'project.pbxproj|xcuserdata' | wc -l"
  result = `#{command}`
  if result.strip.to_i == 0
    puts image_filename
    image_waste_count += 1
  end
end
puts "- end image file #{Time.now.strftime("%Y/%m/%d %H:%M:%S")}"

puts "class waste count: #{class_waste_count}"
puts "image waste count: #{image_waste_count}"
puts "total: #{class_waste_count + image_waste_count}"