delete_dir($filepath)

move($old_file, $new_file)

connect([$config = array()])

changedir($path[, $suppress_debug = FALSE])

download($rempath, $locpath[, $mode = 'auto'])

upload($locpath, $rempath[, $mode = 'auto'[, $permissions = NULL]])

rename($old_file, $new_file[, $move = FALSE])

list_files([$path = '.'])

class CI_FTP connect([$config = array()])

mirror($locpath, $rempath)