Check if each JS file is referenced in our Views, log unreferenced and referenced files - ACK required

ackref.rb

#!/usr/bin/env ruby

class String
  def -(other)
    self.index(other) == 0 ? self[other.size..self.size] : nil
  end
end

if ARGV.length < 2
	puts
	puts "Find JavaScript files that are no longer referenced in any Views."
	puts
	puts "USAGE: ackref <scripts root directory> <views root directory>"
	puts
	exit
end

BASE_LOG_PATH = "/home/dan.kordik/code/deadreferences" # change this, obviously

timestamp = Time.now.to_i

scripts_root_path = ARGV[0]
views_root_path = ARGV[1]

script_files = Dir[File.join(scripts_root_path, '**', '*.js')]

script_files.each do |script_file|
	bare_script_file = script_file - scripts_root_path
	ack_result = `ack -u "#{bare_script_file}" "#{views_root_path}"`
	if ack_result.length > 0
		puts "#{bare_script_file}"
		File.open("#{BASE_LOG_PATH}/ackrefs-#{timestamp}.txt", 'a') do |f|
			f.write "#{bare_script_file}\n\n"
			f.write "#{ack_result}\n\n"
		end
	else
		puts "DEAD: #{bare_script_file}"
		File.open("#{BASE_LOG_PATH}/ackrefs-#{timestamp}-dead.txt", 'a') do |f|
			f.write "#{script_file}\n"
		end
	end
end