On 7/23/07, Crutcher Dunnavant <[EMAIL PROTECTED]> wrote: > > > Crutcher Dunnavant > > On Jul 23, 2007, at 9:55 AM, "Guido van Rossum" <[EMAIL PROTECTED]> > wrote: > > > On 7/12/07, Daniel Stutzbach <[EMAIL PROTECTED]> wrote: > >> On 7/11/07, Andy C <[EMAIL PROTECTED]> wrote: > >>> The good thing about this is that it's extremely simple -- basically > >>> 20 lines of C code to add a -z flag that calls a 3-line Python > >>> function in the runpy module. > >> > >> Instead of requiring a -z flag, why not have the interpreter peak at > >> the file to see if it starts with one of the ZIP magic numbers? > >> > >> That way it Just Works. > > > > I guess you wouldn't recognize a zip file if it hits you in the face. > > Literally. :-) > > > > Zip files don't start with a magic number. > > Don't they end with a sentinel? If so, what would be the difference?
There's an ambiguity -- a Zip file could start with a Python (or shell, or Perl) script that bootstraps execution. This is used regularly. Changing the semantics just because the file *ends* with something funny sounds like asking for trouble. -- --Guido van Rossum (home page: http://www.python.org/~guido/) _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com