On Mon, Aug 14, 2017 at 4:11 PM, Alistair Grant <akgrant0...@gmail.com>
wrote:
> Hi Guille,
>
> Thanks for your reply.
>
>
> On Mon, Aug 14, 2017 at 01:44:41PM +0200, Guillermo Polito wrote:
> >
> >
> > On Sun, Aug 13, 2017 at 5:54 PM, Alistair Grant <akgrant0...@gmail.com>
> wrote:
> >
> > Hi All,
> >
> > Is there any practical difference between (Path * '') and (Path
> > workingDirectory)?
> >
> >
> > Being strict, Path workingDirectory does not make any sense. A path is
> relative
> > or absolute.
>
> True, but Path is considered internal, so users shouldn't normally be
> calling Path>>workingDirectory.
>
Ah, I was thinking with Pablo the other day that it could be a nice small
and standalone library to manage paths. Then FileSystem can work on top.
What do you think?
That's why with Pablo we extracted the Path classes in a separate package
(FileSystem-Path). We also see it has few dependencies and this means that
it could go into the bootstrap :).
>
> I'm asking because the patch I'm preparing to improve canonicalisation
> affects the creation of the path in some instances ('.' asFileReference
> used to have a path with an empty segment, now it has Path
> workingDirectory).
>
> Just for the record :-)
>
> Path workingDirectory isRelative " true"
>
>
> > And it is relative to some other path.
>
> Right, Pharo defines the image directory as the working directory (although
> https://github.com/pharo-project/pharo/pull/92 will change that to the
> more common shell interpretation of current working directory).
>
>
> > I'd expect that Path workingDirectory gives you an absolute path to the
> current
> > working directory,,,
>
> But the path doesn't have a file system to resolve against.
>
> Although even FileLocator workingDirectory gives a relative path.
>
>
>
> Thanks again,
> Alistair
>
>
>
> > Their internal representation is different:
> >
> > - (Path * '') has one empty segment
> > - Path workingDirectory has no segments
> >
> > But as far as I can tell they are otherwise the same:
> >
> >
> > | fs frEmpty frWD |
> >
> > fs := FileSystem disk.
> > frEmpty := FileReference fileSystem: fs path: (Path * '').
> > frWD := FileReference fileSystem: fs path: Path workingDirectory.
> > String streamContents: [ :stream |
> > stream
> > << 'frEmpty: ';
> > << frEmpty printString; cr;
> > << 'frWD: ';
> > << frWD printString; cr;
> > << '= : ';
> > << (frEmpty absolutePath = frWD absolutePath) printString;
> cr.
> > ]
> >
> > 'frEmpty: "File @ "
> > frWD: "File @ ."
> > = : true
> > '
> >
> >
> > Cheers,
> > Alistair
> >
> >
> >
> >
> >
> > --
> > Guille Polito
> > [CNRS-filaire]
> >
> > Research Engineer
> >
> > French National Center for Scientific Research - http://
> > www.cnrs.fr
> >
> >
> >
> > Web: http://guillep.github.io
> >
> > Phone: +33 06 52 70 66 13
> >
>
>
--
Guille Polito
Research Engineer
French National Center for Scientific Research - *http://www.cnrs.fr*
<http://www.cnrs.fr>
*Web:* *http://guillep.github.io* <http://guillep.github.io>
*Phone: *+33 06 52 70 66 13
