[phobos] Removing std.stdio.File.popen()

[Lars Tandle Kyllingstad]

It implies that if we can overcome the obstacles we're facing on
Windows, it will definitely be supported.  However, it also implies that
if it proves impossible to solve the Windows issues, the design will
have to be abandoned or severely reduced.

-Lars



On Mon, 2010-08-16 at 10:11 -0400, David Simcha wrote:
> This looks terrific.  I've always found the old std.process to be way
> underpowered, especially on Windows.  Does your statement about
> cross-platformness imply that Windows will eventually be supported,
> too?
> 
> On Mon, Aug 16, 2010 at 9:20 AM, Lars Tandle Kyllingstad
> <lars at kyllingen.net> wrote:
>         On Mon, 2010-08-16 at 09:04 -0400, Adam Ruppe wrote:
>         > I actually use it (which is why I duplicated your bug), but
>         am OK with
>         > removing it, since it is easy enough to get at anyway. For a
>         while, I
>         > did a separate extern(C) for pclose anyway!
>         >
>         > However, I don't think something being POSIX only is a good
>         reason to
>         > remove something. D should take advantages of whatever
>         platform it is
>         > on. Portability is good when you can have it, but it
>         shouldn't be a
>         > function killer alone.
>         
>         
>         Two comments:
>         
>         1. I disagree with you. :)  I think that Phobos' user-visible
>         interface
>         should be completely platform agnostic.  Code that depends
>         only on
>         Phobos should compile and run on any platform.
>         
>         2. Steve and I have been working on a new version of
>         std.process, which
>         will at some point, hopefully, obviate the need for popen().
>          See
>         pipeProcess() here:
>         
>          http://www.kyllingen.net/code/ltk/doc/process.html
>         
>         The POSIX implementation is more or less complete, but its
>         inclusion in
>         Phobos is currently being blocked by bug 3979.  Also, Steve
>         has run into
>         some very tricky issues with pipes on Windows, fundamentally
>         caused by
>         D's dependence on the DMC runtime.  I don't know how (or if)
>         that is
>         working out.
>         
>         -Lars
>         
>         
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