Re: RFC: On-the-fly tainting via $^T

[Graham Barr]

On Tue, Aug 01, 2000 at 08:30:44AM -0700, Nathan Wiger wrote:
> So perhaps:
> 
>    #! perl -T
>    # [ ... ]
>    { local $^T = 0; $ENV{PATH} = $unsafe_data; }
>    # [ ... ]
>    system "sh -c echo 'Hello, world!'";  # ?????

I would rather have it as a pragm instead of a special var ie

  use taint 'checking';
  use taint 'setting';
  no taint 'checking';
  no taint 'setting';

or something like that. This would turn on/off bits in the op tree

Graham.