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

Andrei Alexandrescu andrei at erdani.com
Mon Aug 16 10:20:16 PDT 2010


I also like ltk process quite a bit. One q - why the need for a special 
type UnbufferedFile?

Andrei

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 <mailto: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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