# File lib/facets/sys.rb, line 131
  def op_esc_path( name )
    ri = name.rindex('/')
    if ri
      dir, file = name[0...ri], name[ri+1..-1]
    else
      dir, file = nil, name
    end
    file = op_esc(file.strip)
    dir ? File.join( dir, file ) : file
  end