Re: [TCLCORE] Re: TIP #175: Add an -async Option to [open]

[Peter da S. <pe...@ab...>]

> Modify the argument order and require the filename first.  None of the
> other arguments to [open] can look like an option, and nor would they
> generally be exposed to values coming from untrusted sources either; I
> just don't think anyone would think of programming that way.  :^)

Yah, none of the other aguments to open can legally match "-async", but
aesthetically having it anywhere but the beginning or the end gives me hives:

	open filename -async rw

Ewwwww.

> I'm not so keen on that as it is both not very flexible in the case of
> inventing new options in the future, and has something of a clash in the
> interpretation of the 'a' character, which would indicate both append
> mode and asynch mode.

Doh, obviously a brain fart.

> And you have to think of the other format for that
> argument to, the "list of POSIX flags" form.

Good point.