# File lib/shell/filter.rb, line 52
    def > (to)
      case to
      when String
        dst = @shell.open(to, "w")
        begin
          each(){|l| dst << l}
        ensure
          dst.close
        end
      when IO
        each(){|l| to << l}
      else
        Shell.Fail Error::CantApplyMethod, ">", to.class
      end
      self
    end