--- FileUtils.cp( src, dest, *options )
  Options: preserve noop verbose

  ե src  dest ˥ԡޤdest ǥ쥯ȥʤ
  dest/src ˥ԡޤdest ¸ߤǥ쥯ȥ
  ʤȤϾ񤭤ޤ

    FileUtils.cp 'eval.c', 'eval.c.org'

--- FileUtils.cp( list, dir, *options )
  Options: preserve noop verbose

  file1  dir/file1 ˥ԡfile2  dir/file2 ˥ԡ
  Ȥ褦ˡǥ쥯ȥ dir ˥ե file1file2 Ĥ
  Ʊ̾ǥԡޤdir ǥ쥯ȥǤʤ㳰
  Errno::ENOTDIR ȯޤ

    FileUtils.cp 'cgi.rb', 'complex.rb', 'date.rb', '/usr/lib/ruby/1.6'
    FileUtils.cp :verbose, %w(cgi.rb complex.rb date.rb), '/usr/lib/ruby/1.6'

