gistfile1.rb

# coding: utf-8
# --------------------
# backup.rb
# Ruby 1.8.7 Mac OS X 10.6.7
# --------------------

require 'pathname'

module HomeDir
  def selectfiles
    @home.children.each{|x|
      next unless x.readable?
      next if @@standard.index(x.basename.to_s)
      f, @src = x.basename.to_s, x.realpath.to_s
      f.match(/^\./) ? fname = "dot#{f}" : fname = f
      @dst = File.join(@dir, fname)
      @opt.nil? ? onlyls : cpall
    }
  end
  def onlyls
    print "#{@src} #{@dst}\n"
  end
  def cpall
    system("cp -a #{@src} #{@dst}")
  end
  @@standard = [
    # Standard
    "Music", "Public", "Sites", "Downloads",
    "Library", "Documents", "Movies",
    "Pictures", "Desktop", "Applications",
    ".fseventsd", ".Spotlight-V100", ".TemporaryItems",
    ".Trash", ".Trashes",
    ".CFUserTextEncoding", ".DS_Store", ".bash_history",
    ".irb_history", ".ri",
  ]
end

class BackUp
  def initialize
    @opt = ARGV[1]
    @dir = Pathname.new(ARGV[0])
    @home = Pathname.new(ENV['HOME'])
    exit unless File.exist?(@dir)
    exit if @home.realpath == @dir.realpath
    (print "Error: Not Writable. \n"; exit) unless @dir.writable?
  end
  def run
    # p self;exit
    selectfiles
  end
  self.send(:include, HomeDir)
end

BackUp.new.run